Features： 1、Pain Relief: The tendon sheath is located at the root of the thumb and is a synovial sheath that protects the tendon. Fixing the thumb to limit friction between the tendon and tendon sheath can relieve pain. 2、Pocket Design: A wormwood bag can be placed inside the wrist brace, combined with electric heating wrist moxibustion physiotherapy, to protect the health of the wrist. 3、Fast Heat Conduction: The carbon fiber yarn with thermal conductivity can quickly transfer heat energy to the inside of the wrist, and the acupuncture points around the wrist can be covered for physical therapy. 4、Thumb Support: The aluminum strip can fix the thumb well, prevent the problem from being aggravated by friction with the tendon sheath, and at the same time adjust the curvature of the thumb according to your own situation. 5、Hot Compress: Aimed at wrist discomfort caused by cold, strain, and sprain, to unblock the painful tissue and relieve soreness, stiffness and discomfort; Improve blood circulation temperature to reach deep skin, release far?infrared light waves to relieve soreness. Specification： Item Type: Wrist Warmer Material: OK Cloth, Carbon Fiber, Aluminum Strip Size: Approx. 33x21x19cm/ 13x8.27x7.48in (manual measurement has an error of 1-3cm) Features: Carbon fiber heats up quickly, bends continuously, consumes little energy, and is safe and convenient Hot Compress Effect: 1. Hot compress is aimed at wrist discomfort caused by cold, strain, and sprain, to unblock the painful tissue and relieve soreness, stiffness and discomfort; 2. Improve blood circulation temperature to reach deep skin, release far-infrared light waves to relieve soreness. Package List： 1 x Heated Brace 1 x USB Line