IKEEPFIT Cordless Knee Massager with Heat Vibration for Pain Relief, MAXwarm 4.0[2026 Upgraded] – Electric Heated Knee Brace with 5 Heat Levels and 3 Massage Mode, Gifts for Men Women (Grey, Pair)

Price: $59.99
(as of Sep 22, 2026 23:54:50 UTC – Details)

Product description

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 Knee Massager K09 MAXwarm 4.0

1 2026 Updated

2 5000mAh

3 150% Warmer

4 Easy Use

5 Ergonomical Fit

1 5-Level Heat

2 3 Massager

3 Maxwarm 4.0

4 Multiple Scenarios

5 Service

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

IKEEPFIT Massager World

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Customer Reviews

4.3 out of 5 stars 83

4.2 out of 5 stars 577

4.2 out of 5 stars 59

4.3 out of 5 stars 83

Price

—

$59.99$59.99

$49.98$49.98

$45.99$45.99

Model Name

MAXwarm 5.0(Knee)

MAXwarm 4.0(Knee)

MAXwarm 3.0(Knee)

MAXwarm 5.0(Knee)

Heat Area

16800 mm²

16,800 mm²

11,200 mm²

16,800 mm²

Battery Capacity

5000mAh

5000mAh

3000mAh

5000mAh

Feature

Silver Ion Heat-locking Tech

Breathable Fabric

Cost-Performance

Silver Ion Heat-locking Tech

Heat Speed

2 seconds

5 seconds

8 seconds

2 seconds

Heat Level

5-Level

5-Level

3-Level

5-Level

Temp Control

NTC Smart

NTC Smart

NTC Smart

NTC Smart

Massage Level

3-Level

3-Level

3-Level

3-Level

Vibration Zone

4-zone Massage

2-zone Massage

2-zone Massage

4-zone Massage

Size Compatibility

Adjustable to Fit Anyone

Adjustable to Fit Anyone

Adjustable to Fit Anyone

Adjustable to Fit Anyone

Target Area

Knee/Shoulder/Elbow

Knee/Shoulder/Elbow

Knee/Shoulder/Elbow

Knee/Shoulder/Elbow

Product Dimensions ‏ : ‎ 20 x 10.5 x 0.8 inches; 1.98 pounds
Item model number ‏ : ‎ KPF-Knee09
Batteries ‏ : ‎ 1 9V batteries required. (included)
Date First Available ‏ : ‎ January 7, 2025
Manufacturer ‏ : ‎ IKEEPFIT
ASIN ‏ : ‎ B0DSCWVD4F
Best Sellers Rank: #14,575 in Health & Household (See Top 100 in Health & Household) #9 in Electric Foot Massagers
Customer Reviews: 4.2 4.2 out of 5 stars (577) var dpAcrHasRegisteredArcLinkClickAction; P.when(‘A’, ‘ready’).execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( ‘acrLink-click-metrics’, ‘click’, { “allowLinkDefault”: true }, function (event) { if (window.ue) { ue.count(“acrLinkClickCount”, (ue.count(“acrLinkClickCount”) || 0) + 1); } } ); } }); P.when(‘A’, ‘cf’).execute(function(A) { A.declarative(‘acrStarsLink-click-metrics’, ‘click’, { “allowLinkDefault” : true }, function(event){ if(window.ue) { ue.count(“acrStarsLinkWithPopoverClickCount”, (ue.count(“acrStarsLinkWithPopoverClickCount”) || 0) + 1); } }); });
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, FSA/HSA eligible )
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, stays 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 your shoulder. Two free 8-inch extension straps are available upon request for users needing a larger fit. 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)Extra extension straps upon request; (6)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
Customers find the knee massager fantastic, with its heating function warming up quickly and offering a wide range of heat settings. The massage and vibration features work excellently for achy painful knees, and customers appreciate that they can be turned on independently. The product provides noticeable comfort during movement, and one customer mentions being able to walk around comfortably while using it. While some customers report the battery stays charged for a good amount of time, others find it doesn’t last as long as advertised.