Specifications:

• MAXwarm Knee 4.0: 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

Cordless Knee Massager with Heat Vibration for Pain Relief, MAXwarm 4.0, Electric Heated Knee Brace with 5 Heat Levels and 3 Massage Mode, Gifts for Men Women