?Warm Reminder: Wash by hands and rub gently;do not twist and hanging to dry; do not directly touch the bare skin. If you have any questions about our heated knee brace wrap, please feel free to email our FEETMOR after-sales team for consultation. ?Durable Fabric: Hands-free knee heating pad for knee pain is made of soft fabric with high breathability and elasticity, which is durable and not easy to fluff. Combined with a unique hook and loop design, the heated knee pad is adjustable that will tightly wraps around the knee and stay in place. The hands-free heated knee massager one size fits most people. ?Rechargeable Battery: Rechargeable Li-Ion battery (7.4V 2200mAh) longest usage time is about 5 hours (only when using the lowest level). It is very convenient and you can freely go anywhere without connecting the power cord. The battery performance has been certified by the authoritative FCC agency and UL agency, which is very reliable. Knee massager with heat comes with a charger with a long enough power cord to charge the battery or heat it directly. ?Free Range of Motion: Portable heated knee brace are a great support for knee. Heated knee wrap is widely suitable for various scenarios to relieve knee pain and osteoarthritis pain. For example, working in the office, doing housework at home and exercising outdoors. Heated knee pads can also be used on thighs, calves and arms. Especially in winter and cold weather, heating pad for knee will warm your knees for a long time. ?Effective Pain Relief: Cordless knee heating pad quickly penetrate heat into the deep layers of the skin to accelerate blood circulation for promoting tissue healing, producing targeted heat therapy for knee pain, arthritis, meniscus tear, osteoarthritis, tendonitis, strains and sprains. Vibration settings of heated knee brace wrap can effectively relieve muscle soreness or cramps, and bring ultimate relaxation to your body for relief fatigue. ?Easy-to-use Switch: Heated Knee Pad with Massage has 2 easy-to-operate heating and massage settings. Each setting has high (red), medium (blue), and low (green) levels. Press and hold for 5 seconds to turn on/off, press once to switch models, heating and massage function can work at the same time or separately. After heated knee brace with massage is powered on, built-in carbon fiber heating wires quickly heat up to generate heat, and two built-in powerful motors provide a soothing massage.