Our device incorporates Red Light Therapy for knee pain relief, inflammation reduction, and faster recovery times. The optimized frequencies of 660nm - 850nm target deep tissues, enhancing cellular repair, improving blood circulation, and boosting muscle recovery and regeneration. Customizable Heat Levels: With five adjustable heat settings, you can choose the temperature that's just right for you. Gentle warmth improves blood circulation and reduces swelling and stiffness. Cordless and Rechargeable: Featuring a rechargeable 5000 mAh battery, the BELMAK knee brace offers the freedom to move without being tethered to an outlet. Enjoy continuous therapy whether at home, work, or on the go. Ergonomic Design: The infrared knee wrap contours perfectly to the knee, shoulder, and elbow, providing comprehensive coverage and effective heat therapy. It is ideal for chronic pain sufferers, athletes, and those recovering from injuries or surgeries.