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Kensington Orbit Trackball Mouse with Scroll Ring K72337US 4 1 2X5 1 2X2

★ 4.2 · 7,528 ratings
$61.99

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Kensington Orbit Trackball Mouse with Scroll Ring K72337US 4 1 2X5 1 2X2, $61.99, Availability unknown. Image 1 of 6.

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Kensington Orbit Trackball Mouse with Scroll Ring K72337US 4 1 2X5 1 2X2
SKU
JC1948
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Source specifications

Brand
Kensington
Color
Black-Blue
Connectivity Technology
Wired
Special Feature
Ergonomic Design
Movement Detection Technology
Optical, Trackball
Brand
‎Kensington
Series
‎Orbit with Scroll Ring
Item model number
‎K72337US
Hardware Platform
‎PC
Operating System
‎mac os
Item Weight
‎10.4 ounces
Product Dimensions
‎2 x 6 x 8 inches
Item Dimensions LxWxH
‎2 x 6 x 8 inches
Color
‎Black-Blue
Computer Memory Type
‎DDR3 SDRAM
Power Source
‎Corded Electric
Batteries
‎1 AA batteries required.
Manufacturer
‎Kensington
Language
‎English
ASIN
‎B002OOWB3O
Is Discontinued By Manufacturer
‎No
Date First Available
‎October 17, 2009
Customer Reviews
4.2 4.2 out of 5 stars (7,528) 4.2 out of 5 stars
Best Sellers Rank
#4 in Computer Trackballs

The details

About this item

All-day comfort and scrolling come together in the orbit trackball with scroll Ring. The award-winning scroll Ring allows you to spin through web pages and long documents without the need for clicking. It offers better ergonomics, with less wrist and hand movement that will ease The pain of repetitive-stress injuries. KensingtonWorks software gives you the opportunity to assign specific functions to your 2 buttons and create a truly customized productivity experience. Optical tracking provides smooth and accurate cursor control, and a detachable wrist rest offers terrific ergonomic support when you're hard at work. Optical tracking technology provides precise cursor movement for superior accuracy so you can get where you want on the screen Quickly with less hand movement, improving productivity and efficiency; The blue 40mm ball has been specially designed with an absolute spherical, hard surface for precise tracking and control; Unique scroll Ring let you move up and down web pages or documents with ease; ambidextrous design works equally well for both right-handed and left-handed users; Detachable Wrist rest softly cushions and cradles the hand and wrist in an ergonomic position

  • Optical tracking technology provides precise cursor movement for superior accuracy so you can get where you want on the screen Quickly with less hand movement, improving productivity and efficiency; The blue 40mm ball has been specially designed with an absolute spherical, hard surface for precise tracking and control
  • Unique scroll Ring let you move up and down web pages or documents with ease; ambidextrous design works equally well for both right-handed and left-handed users
  • Detachable Wrist rest softly cushions and cradles the hand and wrist in an ergonomic position for pain-free productivity during extended periods of activity on the computer
  • Free downloadable KensingtonKonnect software provides a personalized experience, giving you the ability to assign a wide variety of program functions to each of the 2 buttons, as well as adjusting cursor and scrolling speeds
  • ChromeOS user can get HID functions for a trackball but will not be able to customize their device through KensingtonWorks.

From the manufacturer

Product details and media

All-day comfort and scrolling come together in the orbit trackball with scroll Ring. The award-winning scroll Ring allows you to spin through web pages and long documents without the need for clicking. It offers better ergonomics, with less wrist and hand movement that will ease The pain of repetitive-stress injuries. KensingtonWorks software gives you the opportunity to assign specific functions to your 2 buttons and create a truly customized productivity experience. Optical tracking provides smooth and accurate cursor control, and a detachable wrist rest offers terrific ergonomic support when you're hard at work.

Highlights: Optical tracking technology provides precise cursor movement for superior accuracy so you can get where you want on the screen Quickly with less hand movement, improving productivity and efficiency; The blue 40mm ball has been specially designed with an absolute spherical, hard surface for precise tracking and control Unique scroll Ring let you move up and down web pages or documents with ease; ambidextrous design works equally well for both right-handed and left-handed users Detachable Wrist rest softly cushions and cradles the hand and wrist in an ergonomic position for pain-free productivity during extended periods of activity on the computer Free downloadable KensingtonKonnect software provides a personalized experience, giving you the ability to assign a wide variety of program functions to each of the 2 buttons, as well as adjusting cursor and scrolling speeds ChromeOS user can get HID functions for a trackball but will not be able to customize their device through KensingtonWorks.

Key details: Brand: ‎Kensington | Series: ‎Orbit with Scroll Ring | Hardware Platform: ‎PC | Operating System: ‎mac os | Item Weight: ‎10.4 ounces | Product Dimensions: ‎2 x 6 x 8 inches | Item Dimensions LxWxH: ‎2 x 6 x 8 inches | Color: ‎Black-Blue | Computer Memory Type: ‎DDR3 SDRAM | Power Source: ‎Corded Electric

What you can expect: Optical tracking technology provides precise cursor movement for superior accuracy so you can get where you want on the screen Quickly with less hand movement, improving productivity and efficiency; The blue 40mm ball has been specially designed with an absolute spherical, hard surface for precise tracking and control Unique scroll Ring let you move up and down web pages or documents with ease; ambidextrous design works equally well for both right-handed and left-handed users Detachable Wrist rest softly cushions and cradles the hand and wrist in an ergonomic position for pain-free productivity during extended periods of activity on the computer Free downloadable KensingtonKonnect software provides a personalized experience, giving you the ability to assign a wide variety of program functions to each of the 2 buttons, as well as adjusting cursor and scrolling speeds ChromeOS user can get HID functions for a trackball but will not be able to customize their device through KensingtonWorks.

Customer feedback: 4.2/5 average rating.

Customers say: Customers find the trackball mouse works well, particularly for gaming, with a responsive scroll wheel that's easy to use. Customers disagree on the comfort level, with some finding it easy on their wrist and forearm while others find it uncomfortable.

Review snippets: I've had the trackball for about a month now. I bought it to replace the wireless Mighty Mouse that came with my Mac 'cause it ate batteries like no tomorrow. VERY, VERY pleased with the trackball. It took me about / I've been an avid trackball user since the 1990s and have used quite a few of them. I've been trying to replace my favorite discontinued model for years, and of the many I've tried I would say this is the

From the brand Previous page Trackballs Visit the Store Ergonomic Keyboards and Mice Visit the Store Keyboards Visit the Store Wireless Presenters Visit the Store The Professionals' Choice Next page

Kensington Orbit Trackball Mouse with Scroll Ring K72337US 4 1 2X5 1 2X2 — product detail 1Kensington Orbit Trackball Mouse with Scroll Ring K72337US 4 1 2X5 1 2X2 — product detail 2Kensington Orbit Trackball Mouse with Scroll Ring K72337US 4 1 2X5 1 2X2 — product detail 3Kensington Orbit Trackball Mouse with Scroll Ring K72337US 4 1 2X5 1 2X2 — product detail 4Kensington Orbit Trackball Mouse with Scroll Ring K72337US 4 1 2X5 1 2X2 — product detail 5Kensington Orbit Trackball Mouse with Scroll Ring K72337US 4 1 2X5 1 2X2 — product detail 6Kensington Orbit Trackball Mouse with Scroll Ring K72337US 4 1 2X5 1 2X2 — product detail 7Kensington Orbit Trackball Mouse with Scroll Ring K72337US 4 1 2X5 1 2X2 — product detail 8Kensington Orbit Trackball Mouse with Scroll Ring K72337US 4 1 2X5 1 2X2 — product detail 9Kensington Orbit Trackball Mouse with Scroll Ring K72337US 4 1 2X5 1 2X2 — product detail 10Kensington Orbit Trackball Mouse with Scroll Ring K72337US 4 1 2X5 1 2X2 — product detail 11Kensington Orbit Trackball Mouse with Scroll Ring K72337US 4 1 2X5 1 2X2 — product detail 12Kensington Orbit Trackball Mouse with Scroll Ring K72337US 4 1 2X5 1 2X2 — product detail 13Kensington Orbit Trackball Mouse with Scroll Ring K72337US 4 1 2X5 1 2X2 — product detail 14Kensington Orbit Trackball Mouse with Scroll Ring K72337US 4 1 2X5 1 2X2 — product detail 15Kensington Orbit Trackball Mouse with Scroll Ring K72337US 4 1 2X5 1 2X2 — product detail 16Kensington Orbit Trackball Mouse with Scroll Ring K72337US 4 1 2X5 1 2X2 — product detail 17Kensington Orbit Trackball Mouse with Scroll Ring K72337US 4 1 2X5 1 2X2 — product detail 18Kensington Orbit Trackball Mouse with Scroll Ring K72337US 4 1 2X5 1 2X2 — product detail 19Kensington Orbit Trackball Mouse with Scroll Ring K72337US 4 1 2X5 1 2X2 — product detail 20Kensington Orbit Trackball Mouse with Scroll Ring K72337US 4 1 2X5 1 2X2 — product detail 21Kensington Orbit Trackball Mouse with Scroll Ring K72337US 4 1 2X5 1 2X2 — product detail 22

Customer feedback

Customer ratings

4.2 out of 5

7,528 ratings

Customers find the trackball mouse works well, particularly for gaming, with a responsive scroll wheel that's easy to use. Customers disagree on the comfort level, with some finding it easy on their wrist and forearm while others find it uncomfortable.

A. Little Bird

5.0 out of 5 stars Definite keeper!

Rating: 5

February 18, 2011

Verified purchase

I've had the trackball for about a month now. I bought it to replace the wireless Mighty Mouse that came with my Mac 'cause it ate batteries like no tomorrow. VERY, VERY pleased with the trackball. It took me about a week to figure out how to comfortably use it as I had exclusively using a Wacom tablet in place of the mouse, before deciding to get some sort of mouse. The software: To start off, for those reading reviews of those complaining about the program, you CAN plug and play it. You don't actually need the program for the trackball to work. The mouse adjustments that you can make in the System Preferences will still work for the trackball. However, in order to access the additional features, you will need to download the software. It's a very easy process, just go to the website, download and install it (the instructions come in the packet). The icon will show up in your System Preferences window under the Other header. I don't know where it appears for Windows as I've only transferred the trackball between our Macs. In the trackball program, you can adjust the usual features (scroll speed, click speed, etc) and also the left/right combo click which you can set to do stuff like go back or forward. The program also allows you to choose which direction to have the scroll ring turn to go up or down. The default is set to clockwise for scrolling down. The buttons: overall, they're pretty standard in function. However, I do find that sometimes in certain programs like a Flash game, it won't always want to click on the first try, so I wouldn't recommend this for gaming purposes for games where you do need an immediate response. All other uses, I haven't really noticed any problems. I love the option of being able to set the dual click to do something :) As a first time trackball user, something else I also had to remember to do was take my fingers off the ball before clicking as I often catch myself nudging the ball when I click and then missing the spot I wanted to click. Same goes for the scroll wheel. I seem to subconsciously fiddle with that too. Trackball: No issues with it at all. It took some getting used to with adjusting from a mouse or my tablet and I found myself trying to click on the ball itself a number of times. *lol* But no fault of the device. The scroll ring: So far, I haven't experienced any of the major problems that have been complained about so far. Up till about a week ago, I hadn't gotten around to looking into the trackball's software and once I did, it made a huge world of difference with how smoothly the ring scrolled. It felt a little slow, previously to the point where it sort of staggered sometimes. I love how I can now just give the ring a quick flick with a finger and I'll be back at the top of a web page. I've actually caught myself trying to do that with a scroll wheel on a mouse at work and wondering why it just inched up instead of flying up where I wanted it! Keeping in mind of the complaints though, I have been careful with the wheel and trying not to use it when I don't feel I really need to, as not to potentially abuse it to death as I really like it. So if I'm scrolling to skim an article or search it for something, I'll use the scroll bar on the browser, which with the trackball is pretty effortless. Extras: It includes a wrist rest that you can attach to the end of the base. I didn't bother with it as my desk has a built in one. Size of whole unit: it's a decent size for me. My hand length is about 7 inches and the size of the unit allows me to perch my fingertips on the ball and comfortably roll forward to the middle joint of my fingers if I want to do one long continuous drag. I've play tested some older trackballs in stores many years ago when the majority seemed to be a lot larger, so this works fairly well. Advice: if you find yourself needing to clean your trackball, don't use Clorox wipes. It leaves a sticky residues that slows down the ball's spin. I just pulled out the ball and washed it with hand soap and water, wiped out the dust in the holder, dried off everything and stuck it back in. User troubleshooting: If you find that your hand is more tired using the trackball than a regular mouse, try adjusting your chair height. This can make a very big difference. If you have an arm rest on your chair, take advantage of it and adjust your chair height to make the rest level with your trackball. Read more

Beratna

5.0 out of 5 stars Really good basic trackball

Rating: 5

December 14, 2015

Verified purchase

I've been an avid trackball user since the 1990s and have used quite a few of them. I've been trying to replace my favorite discontinued model for years, and of the many I've tried I would say this is the best. Pros: Overall feel is very nice in my hand. It was broken-in within minutes (by this I mean the ease of rolling the ball in it's socket; there is typically a bit of drag or stiffness with most of the trackballs I've tried. This usually gets better over a few days' use). The scroll ring also feels nice. I would call the build quality mid-grade. It doesn't feel high end, but it also doesn't feel like junk. The wrist-rest is just a tiny bit lesser quality plastic, and I didn't expect to use it, but after trying it out it really does improve overall comfort of use. The software is simple, although there is room for improvement. Another pro for me is the ball being in the index-finger position. I really dislike models with the ball in the thumb position, but that is really a matter of personal preference. Cons: Not enough cons to impact overall rating. I would like more buttons, although that is probably a limitation of being a low-cost model, as the more expensive Kensingtons do have more. The ability to chord (press both buttons simultaneously to function as a third button) would be nice. I don't know if that is a limitation of the software, hardware, or both. The scroll ring is a tiny bit too sensitive for my liking. In summary, this is an excellent trackball for the price, and is significantly better than more expensive trackballs I have tried (I got this one for $17 during a Black Friday sale). I wish I bought a few of these at that price, because it seems like once a model becomes discontinued, the after market prices get crazy. For example, my all-time favorite is the Microsoft Trackball Explorer, which was perfect in every way. Long discontinued, they can still be found on Ebay for several hundred dollars. I may give one of the higher end Kensington models a try. I briefly tested one in a store years ago and didn't like the ergonomics, so the only reason I tried this one was because it was insanely cheap. I'm very glad I did. Read more

Complete product information
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    "Series": "‎Orbit with Scroll Ring",
    "Item model number": "‎K72337US",
    "Hardware Platform": "‎PC",
    "Operating System": "‎mac os",
    "Item Weight": "‎10.4 ounces",
    "Product Dimensions": "‎2 x 6 x 8 inches",
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    "Color": "‎Black-Blue",
    "Computer Memory Type": "‎DDR3 SDRAM",
    "Power Source": "‎Corded Electric",
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    "Customer Reviews": "4.2 4.2 out of 5 stars (7,528) 4.2 out of 5 stars",
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  "reviews": {
    "average_rating": 4.2,
    "customers_say": "Customers find the trackball mouse works well, particularly for gaming, with a responsive scroll wheel that's easy to use. Customers disagree on the comfort level, with some finding it easy on their wrist and forearm while others find it uncomfortable.",
    "items": [
      {
        "title": "5.0 out of 5 stars Definite keeper!",
        "body": "I've had the trackball for about a month now. I bought it to replace the wireless Mighty Mouse that came with my Mac 'cause it ate batteries like no tomorrow. VERY, VERY pleased with the trackball. It took me about a week to figure out how to comfortably use it as I had exclusively using a Wacom tablet in place of the mouse, before deciding to get some sort of mouse. The software: To start off, for those reading reviews of those complaining about the program, you CAN plug and play it. You don't actually need the program for the trackball to work. The mouse adjustments that you can make in the System Preferences will still work for the trackball. However, in order to access the additional features, you will need to download the software. It's a very easy process, just go to the website, download and install it (the instructions come in the packet). The icon will show up in your System Preferences window under the Other header. I don't know where it appears for Windows as I've only transferred the trackball between our Macs. In the trackball program, you can adjust the usual features (scroll speed, click speed, etc) and also the left/right combo click which you can set to do stuff like go back or forward. The program also allows you to choose which direction to have the scroll ring turn to go up or down. The default is set to clockwise for scrolling down. The buttons: overall, they're pretty standard in function. However, I do find that sometimes in certain programs like a Flash game, it won't always want to click on the first try, so I wouldn't recommend this for gaming purposes for games where you do need an immediate response. All other uses, I haven't really noticed any problems. I love the option of being able to set the dual click to do something :) As a first time trackball user, something else I also had to remember to do was take my fingers off the ball before clicking as I often catch myself nudging the ball when I click and then missing the spot I wanted to click. Same goes for the scroll wheel. I seem to subconsciously fiddle with that too. Trackball: No issues with it at all. It took some getting used to with adjusting from a mouse or my tablet and I found myself trying to click on the ball itself a number of times. *lol* But no fault of the device. The scroll ring: So far, I haven't experienced any of the major problems that have been complained about so far. Up till about a week ago, I hadn't gotten around to looking into the trackball's software and once I did, it made a huge world of difference with how smoothly the ring scrolled. It felt a little slow, previously to the point where it sort of staggered sometimes. I love how I can now just give the ring a quick flick with a finger and I'll be back at the top of a web page. I've actually caught myself trying to do that with a scroll wheel on a mouse at work and wondering why it just inched up instead of flying up where I wanted it! Keeping in mind of the complaints though, I have been careful with the wheel and trying not to use it when I don't feel I really need to, as not to potentially abuse it to death as I really like it. So if I'm scrolling to skim an article or search it for something, I'll use the scroll bar on the browser, which with the trackball is pretty effortless. Extras: It includes a wrist rest that you can attach to the end of the base. I didn't bother with it as my desk has a built in one. Size of whole unit: it's a decent size for me. My hand length is about 7 inches and the size of the unit allows me to perch my fingertips on the ball and comfortably roll forward to the middle joint of my fingers if I want to do one long continuous drag. I've play tested some older trackballs in stores many years ago when the majority seemed to be a lot larger, so this works fairly well. Advice: if you find yourself needing to clean your trackball, don't use Clorox wipes. It leaves a sticky residues that slows down the ball's spin. I just pulled out the ball and washed it with hand soap and water, wiped out the dust in the holder, dried off everything and stuck it back in. User troubleshooting: If you find that your hand is more tired using the trackball than a regular mouse, try adjusting your chair height. This can make a very big difference. If you have an arm rest on your chair, take advantage of it and adjust your chair height to make the rest level with your trackball. Read more",
        "author": "A. Little Bird",
        "rating": 5,
        "date": "February 18, 2011",
        "verified": true,
        "images": []
      },
      {
        "title": "5.0 out of 5 stars Really good basic trackball",
        "body": "I've been an avid trackball user since the 1990s and have used quite a few of them. I've been trying to replace my favorite discontinued model for years, and of the many I've tried I would say this is the best. Pros: Overall feel is very nice in my hand. It was broken-in within minutes (by this I mean the ease of rolling the ball in it's socket; there is typically a bit of drag or stiffness with most of the trackballs I've tried. This usually gets better over a few days' use). The scroll ring also feels nice. I would call the build quality mid-grade. It doesn't feel high end, but it also doesn't feel like junk. The wrist-rest is just a tiny bit lesser quality plastic, and I didn't expect to use it, but after trying it out it really does improve overall comfort of use. The software is simple, although there is room for improvement. Another pro for me is the ball being in the index-finger position. I really dislike models with the ball in the thumb position, but that is really a matter of personal preference. Cons: Not enough cons to impact overall rating. I would like more buttons, although that is probably a limitation of being a low-cost model, as the more expensive Kensingtons do have more. The ability to chord (press both buttons simultaneously to function as a third button) would be nice. I don't know if that is a limitation of the software, hardware, or both. The scroll ring is a tiny bit too sensitive for my liking. In summary, this is an excellent trackball for the price, and is significantly better than more expensive trackballs I have tried (I got this one for $17 during a Black Friday sale). I wish I bought a few of these at that price, because it seems like once a model becomes discontinued, the after market prices get crazy. For example, my all-time favorite is the Microsoft Trackball Explorer, which was perfect in every way. Long discontinued, they can still be found on Ebay for several hundred dollars. I may give one of the higher end Kensington models a try. I briefly tested one in a store years ago and didn't like the ergonomics, so the only reason I tried this one was because it was insanely cheap. I'm very glad I did. Read more",
        "author": "Beratna",
        "rating": 5,
        "date": "December 14, 2015",
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  "short_description": "All-day comfort and scrolling come together in the orbit trackball with scroll Ring. The award-winning scroll Ring allows you to spin through web pages and long documents without the need for clicking. It offers better ergonomics, with less wrist and hand movement that will ease The pain of repetitive-stress injuries. KensingtonWorks software gives you the opportunity to assign specific functions to your 2 buttons and create a truly customized productivity experience. Optical tracking provides smooth and accurate cursor control, and a detachable wrist rest offers terrific ergonomic support when you're hard at work.",
  "about_this_item": "All-day comfort and scrolling come together in the orbit trackball with scroll Ring. The award-winning scroll Ring allows you to spin through web pages and long documents without the need for clicking. It offers better ergonomics, with less wrist and hand movement that will ease The pain of repetitive-stress injuries. KensingtonWorks software gives you the opportunity to assign specific functions to your 2 buttons and create a truly customized productivity experience. Optical tracking provides smooth and accurate cursor control, and a detachable wrist rest offers terrific ergonomic support when you're hard at work. Optical tracking technology provides precise cursor movement for superior accuracy so you can get where you want on the screen Quickly with less hand movement, improving productivity and efficiency; The blue 40mm ball has been specially designed with an absolute spherical, hard surface for precise tracking and control; Unique scroll Ring let you move up and down web pages or documents with ease; ambidextrous design works equally well for both right-handed and left-handed users; Detachable Wrist rest softly cushions and cradles the hand and wrist in an ergonomic position",
  "long_description": "All-day comfort and scrolling come together in the orbit trackball with scroll Ring. The award-winning scroll Ring allows you to spin through web pages and long documents without the need for clicking. It offers better ergonomics, with less wrist and hand movement that will ease The pain of repetitive-stress injuries. KensingtonWorks software gives you the opportunity to assign specific functions to your 2 buttons and create a truly customized productivity experience. Optical tracking provides smooth and accurate cursor control, and a detachable wrist rest offers terrific ergonomic support when you're hard at work.\n\nHighlights: Optical tracking technology provides precise cursor movement for superior accuracy so you can get where you want on the screen Quickly with less hand movement, improving productivity and efficiency; The blue 40mm ball has been specially designed with an absolute spherical, hard surface for precise tracking and control Unique scroll Ring let you move up and down web pages or documents with ease; ambidextrous design works equally well for both right-handed and left-handed users Detachable Wrist rest softly cushions and cradles the hand and wrist in an ergonomic position for pain-free productivity during extended periods of activity on the computer Free downloadable KensingtonKonnect software provides a personalized experience, giving you the ability to assign a wide variety of program functions to each of the 2 buttons, as well as adjusting cursor and scrolling speeds ChromeOS user can get HID functions for a trackball but will not be able to customize their device through KensingtonWorks.\n\nKey details: Brand: ‎Kensington | Series: ‎Orbit with Scroll Ring | Hardware Platform: ‎PC | Operating System: ‎mac os | Item Weight: ‎10.4 ounces | Product Dimensions: ‎2 x 6 x 8 inches | Item Dimensions LxWxH: ‎2 x 6 x 8 inches | Color: ‎Black-Blue | Computer Memory Type: ‎DDR3 SDRAM | Power Source: ‎Corded Electric\n\nWhat you can expect: Optical tracking technology provides precise cursor movement for superior accuracy so you can get where you want on the screen Quickly with less hand movement, improving productivity and efficiency; The blue 40mm ball has been specially designed with an absolute spherical, hard surface for precise tracking and control Unique scroll Ring let you move up and down web pages or documents with ease; ambidextrous design works equally well for both right-handed and left-handed users Detachable Wrist rest softly cushions and cradles the hand and wrist in an ergonomic position for pain-free productivity during extended periods of activity on the computer Free downloadable KensingtonKonnect software provides a personalized experience, giving you the ability to assign a wide variety of program functions to each of the 2 buttons, as well as adjusting cursor and scrolling speeds ChromeOS user can get HID functions for a trackball but will not be able to customize their device through KensingtonWorks.\n\nCustomer feedback: 4.2/5 average rating.\n\nCustomers say: Customers find the trackball mouse works well, particularly for gaming, with a responsive scroll wheel that's easy to use. Customers disagree on the comfort level, with some finding it easy on their wrist and forearm while others find it uncomfortable.\n\nReview snippets: I've had the trackball for about a month now. I bought it to replace the wireless Mighty Mouse that came with my Mac 'cause it ate batteries like no tomorrow. VERY, VERY pleased with the trackball. It took me about / I've been an avid trackball user since the 1990s and have used quite a few of them. I've been trying to replace my favorite discontinued model for years, and of the many I've tried I would say this is the\n\nFrom the brand Previous page Trackballs Visit the Store Ergonomic Keyboards and Mice Visit the Store Keyboards Visit the Store Wireless Presenters Visit the Store The Professionals' Choice Next page",
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