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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, Single)

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IKEEPFIT Knee Massager K09 MAXwarm 4.0

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

Add to Cart	Add to Cart
Customer Reviews	4.4 out of 5 stars 80	4.4 out of 5 stars 653	4.1 out of 5 stars 55	4.4 out of 5 stars 80
Price	$42.99$42.99	$29.99$29.99	$35.99$35.99	$66.49$66.49
Model Name	MAXwarm 5.0(Knee)	MAXwarm 4.0(Knee)	MAXwarm 3.0(Knee)	MAXwarm 5.0(Knee)
Heat Area	16,800 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

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 (1-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

To maintain the beauty and integrity of your purchase, we recommend treating it with care. Simple maintenance practices, such as gentle washing and proper storage, can effectively preserve the longevity of your favorites. We encourage you to refer to the care instructions included with each item, designed to help you keep your purchase in top condition.

Our dedication to excellence extends beyond materials; it encompasses the artistry and craftsmanship illustrated in every piece we create.

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