IKEEPFIT / Foot Massagers
Cordless Knee Massager with Heat Vibration for Pain Relief MAXwarm 4 0 2026 Upgraded - Electric Heated Knee
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Cordless Knee Massager with Heat Vibration for Pain Relief MAXwarm 4 0 2026 Upgraded - Electric Heated Knee, $71.99, Availability unknown. Image 1 of 9.
- Selected option
- Cordless Knee Massager with Heat Vibration for Pain Relief MAXwarm 4 0 2026 Upgraded - Electric Heated Knee
- SKU
- JC8210
Source specifications
- Use for
- Knee
- Power Source
- Battery Powered
- Material
- Faux Leather
- Item Weight
- 12.8 ounces
- Brand
- IKEEPFIT
- Product Dimensions
- 20 x 10.5 x 0.8 inches; 12.8 ounces
- Item model number
- KPF-Knee09
- Batteries
- 1 9V batteries required. (included)
- Manufacturer
- IKEEPFIT
The details
About this item
Product description Previous page Next page 1 2026 Updated 2 5000mAh 3 Best Gifts 4 Easy Use 5 Ergonomical Fit Previous page Next page 1 5-Level Heat 2 MAXwarm 4.0 3 Heating Effect 4 Shiatsu-Like 5 150% Warmer Specification Cordless Yes Overheat protection Yes Heating level 5-Level, 45℃-65℃ Vibration level 3-Level Battery 5000mAh Using times 15 times Auto off 30 minutes Input 5V, 2A Power 7W BPA-Free Yes Heating speed 5 seconds Heating source Graphene Thermal conductivity High-carbon crystal Temperature control NTC smart The video showcases the product in use. The video guides you through product setup. The video compares multiple products. The video shows the product being unpacked. IKEEPFIT Cordless Knee Massager with Heat Merchant Video IKEEPFIT Massager World Knee Massager(V3.0) Add to Cart Knee Massager(V4.0) Add to Cart Knee Massager(V5.0) Add to Cart Heating Pad Massager Add to MAXwarm Knee 4.0: 2026 completely upgraded, double the heat for knee pain relief, with 100% expansion of the heating area up to 16,800 mm², enjoy full 360-degree coverage for your knees with 5 precise temperature settings adjustable between 113 to 149°F. Combining 3 vibration massage modes(gentle/soot
- MAXwarm Knee 4.0: 2026 completely upgraded, double the heat for knee pain relief, with 100% expansion of the heating area up to 16,800 mm², enjoy full 360-degree coverage for your knees with 5 precise temperature settings adjustable between 113 to 149°F. Combining 3 vibration massage modes(gentle/soothing/intense), and you can switch off the vibration features separately. This efficient, stable, and safe heated knee massager is the perfect companion for your daily life (2-PACK)
- Cordless Knee Massager On The Go: The primary design concept of all IKEEPFIT's massager is to completely free users from the hassle of wires. With a large 5000mAh battery, you can enjoy heat relief and massage anytime, anywhere. A single charge lasts for days, and the ultra-thin, stylish design ensures you can easily escape the bulk and hassle of traditional massagers. This knee massager heating pad folds like clothing, portable and easy to pack in your suitcase and take on trips (FSA/HSA Eligible)
- Size Fit Everyone: Adjustable velcro straps and ergonomic design, the knee massager for pain relief fits your knee perfectly, just like a pair of pants, keep in place even while running. It truly is a "massager you can wear while walking". We also provide two 8-inch extension straps to further expand the size range, plus a 28-inch strap to help you wear it on shoulder. Unlike other hard plastic designs, we use only soft materials, ensuring a more skin-friendly and comfortable experience
- 5000mAh Battery from Japan: Imported high-energy-density batteries from Japan provide power for at least 10 uses on a single charge. Advanced NTC smart temperature control and energy-saving systems ensure consistent and even heating while significantly extending battery lifespan, also avoide overheated or overmassaged. Tested in IKEEPFIT’s labs, our premium batteries deliver over 2,000 charge cycles, setting an industry benchmark. 2-years guarantee for battery
- Meaningful Gifts for All: Struggling to find perfect gift? Consider an electronic massager, it's practical, thoughtful and heartwarming. It’s suitable for everyone, especially elderly women men. Whether it’s Christmas, birthday, Father’s Day, or Mother’s Day, it’s ideal present for dad mom husband. We’ve prepared elegant and warm gift box for you. Electric knee massagers are a true blessing for anyone with high knee pressure, such as elderly, runners, desk workers and long-distance drivers
- Premium Service from Manufacturer IKEEPFIT - How we deliver on our promise: (1)2-Years extended guarantee; (2)Full pre-shipment inspection; (3)Double upgraded material costs; (4)Easy-to-follow user manual; (5)24/7 professional customer support
- IKEEPFIT MAXwarm Knee 4.0: Since launch the "MAXwarm Knee 1.0" heating knee massager in 2005, IKEEPFIT has refined it over two decades. In 2026, the completely new "MAXwarm 4.0" features a heating area of 16,800 mm², twice that of other knee braces, completely upgraded
Product information
Materials and care
- Material
- Faux Leather
From the manufacturer
Product details
Product description Previous page Next page 1 2026 Updated 2 5000mAh 3 Best Gifts 4 Easy Use 5 Ergonomical Fit Previous page Next page 1 5-Level Heat 2 MAXwarm 4.0 3 Heating Effect 4 Shiatsu-Like 5 150% Warmer Specification Cordless Yes Overheat protection Yes Heating level 5-Level, 45℃-65℃ Vibration level 3-Level Battery 5000mAh Using times 15 times Auto off 30 minutes Input 5V, 2A Power 7W BPA-Free Yes Heating speed 5 seconds Heating source Graphene Thermal conductivity High-carbon crystal Temperature control NTC smart The video showcases the product in use. The video guides you through product setup. The video compares multiple products. The video shows the product being unpacked. IKEEPFIT Cordless Knee Massager with Heat Merchant Video IKEEPFIT Massager World Knee Massager(V3.0) Add to Cart Knee Massager(V4.0) Add to Cart Knee Massager(V5.0) Add to Cart Heating Pad Massager Add to Cart Customer Reviews 4.5 out of 5 stars 43 4.5 out of 5 stars 553 4.6 out of 5 stars 41 4.5 out of 5 stars 995 Price $49.99 $ 49 . 99 $59.99 $ 59 . 99 $69.99 $ 69 . 99 $39.99 $ 39 . 99 Model Name MAXwarm 3.0(Knee) MAXwarm 4.0(Knee) MAXwarm 5.0(Knee) MAXwarm 3.0(Pad) Heat Area 11,200 mm² 16,800 mm² 16,800 mm² 29,400 mm² Battery Capacity 3000mAh 5000mAh 5000mAh 8000mAh Battery Life 10 Times Uses 15
Highlights: MAXwarm Knee 4.0: 2026 completely upgraded, double the heat for knee pain relief, with 100% expansion of the heating area up to 16,800 mm², enjoy full 360-degree coverage for your knees with 5 precise temperature settings adjustable between 113 to 149°F. Combining 3 vibration massage modes(gentle/soothing/intense), and you can switch off the vibration features separately. This efficient, stable, and safe heated knee massager is the perfect companion for your daily life (2-PACK) Cordless Knee Massager On The Go: The primary design concept of all IKEEPFIT's massager is to completely free users from the hassle of wires. With a large 5000mAh battery, you can enjoy heat relief and massage anytime, anywhere. A single charge lasts for days, and the ultra-thin, stylish design ensures you can easily escape the bulk and hassle of traditional massagers. This knee massager heating pad folds like clothing, portable and easy to pack in your suitcase and take on trips (FSA/HSA Eligible) Size Fit Everyone: Adjustable velcro straps and ergonomic design, the knee massager for pain relief fits your knee perfectly, just like a pair of pants, keep in place even while running. It truly is a "massager you can wear while walking". We also provide two 8-inch extension straps to further expand the size range, plus a 28-inch strap to help you wear it on shoulder.
Key details: Product Dimensions: 20 x 10.5 x 0.8 inches; 12.8 ounces | Batteries: 1 9V batteries required. (included) | Customer Reviews: 4.5 4.5 out of 5 stars (553)
What you can expect: MAXwarm Knee 4.0: 2026 completely upgraded, double the heat for knee pain relief, with 100% expansion of the heating area up to 16,800 mm², enjoy full 360-degree coverage for your knees with 5 precise temperature settings adjustable between 113 to 149°F. Combining 3 vibration massage modes(gentle/soothing/intense), and you can switch off the vibration features separately. This efficient, stable, and safe heated knee massager is the perfect companion for your daily life (2-PACK) Cordless Knee Massager On The Go: The primary design concept of all IKEEPFIT's massager is to completely free users from the hassle of wires. With a large 5000mAh battery, you can enjoy heat relief and massage anytime, anywhere. A single charge lasts for days, and the ultra-thin, stylish design ensures you can easily escape the bulk and hassle of traditional massagers. This knee massager heating pad folds like clothing, portable and easy to pack in your suitcase and take on trips (FSA/HSA Eligible) 5000mAh Battery from Japan: Imported high-energy-density batteries from Japan provide power for at least 10 uses on a single charge. Advanced NTC smart temperature control and energy-saving systems ensure consistent and even heating while significantly extending battery lifespan, also avoide overheated or overmassaged. Tested in IKEEPFIT’s labs, our premium batteries deliver over 2,000 charge cycles, setting an industry benchmark. 2-years guarantee for battery Meaningful Gifts for All: Struggling to find perfect gift? Consider an electronic massager, it's practical, thoughtful and heartwarming. It’s suitable for everyone,
Customer feedback: 4.5/5 average rating.
Customers say: Customers find the knee massager effective for pain relief, particularly after working out, and appreciate its full wraparound heat and powerful vibration modes that reduce soreness and stiffness.
Review snippets: The massager is great and the warmer does the job. Great for relieve pain. You can adapt to different parts of your body. Read more / The IKEEPFIT knee massager is a life saver! I have 24 stairs that lead to my apt. I never had knee problems before, until this last couple years. The massager and the heat feel so good! I use it in
Product description Previous page Next page 1 2026 Updated 2 5000mAh 3 Best Gifts 4 Easy Use 5 Ergonomical Fit Previous page Next page 1 5-Level Heat 2 MAXwarm 4.0 3 Heating Effect 4 Shiatsu-Like 5 150% Warmer Specification Cordless Yes Overheat protection Yes Heating level 5-Level, 45℃-65℃ Vibration level 3-Level Battery 5000mAh Using times 15 times Auto off 30 minutes Input 5V, 2A Power 7W BPA-Free Yes Heating speed 5 seconds Heating source Graphene Thermal conductivity High-carbon crystal Temperature control NTC smart The video showcases the product in use. The video guides you through product setup. The video compares multiple products. The video shows the product being unpacked. IKEEPFIT Cordless Knee Massager with Heat Merchant Video IKEEPFIT Massager World Knee Massager(V3.0) Add to Cart Knee Massager(V4.0) Add to Cart Knee Massager(V5.0) Add to Cart Heating Pad Massager Add to Cart Customer Reviews 4.5 out of 5 stars 43 4.5 out of 5 stars 553 4.6 out of 5 stars 41 4.5 out of 5 stars 995 Price $49.99 $ 49 . 99 $59.99 $ 59 . 99 $69.99 $ 69 . 99 $39.99 $ 39 . 99 Model Name MAXwarm 3.0(Knee) MAXwarm 4.0(Knee) MAXwarm 5.0(Knee) MAXwarm 3.0(Pad) Heat Area 11,200 mm² 16,800 mm² 16,800 mm² 29,400 mm² Battery Capacity 3000mAh 5000mAh 5000mAh 8000mAh Battery Life 10 Times Uses 15 Times Uses 18 Times Uses 15 Times Uses Feature Cost-Performance Breathable Fabric Silver Ion Heat-locking Tech Front and Back Heat Heat Speed 8 seconds 5 seconds 2 seconds 5 seconds Heat Level 3-Level 5-Level 5-Level 3-Level Temp Control NTC Smart