Safe and fast heating: We use graphene heat sheet inside the bracelet, which heats up quickly and is absolutely safe. It is resistant to bending, not easy to break, and consumes little energy. Heat therapy for pain relief: Hot compresses are the key to reducing pain and improving discomfort of the wrist caused by cold, tension and sprains. Our heated wrist brace helps improve blood circulation, releases far infrared light waves and relieves pain. 3 heating levels: intelligent temperature control, three levels of temperature adjustment, low, medium and high three levels, easy to adjust the required temperature. Convenient to use: charging and plugging dual-use, wireless, easy to carry, USB power interface, power supply design power bank. Whether youre in the office or on the road, you can enjoy wrist and hand heating therapy to relieve your pain. Approximate Dimensions: 38 x 9 cm. Universal size suitable for left or right hand. Enough to cover the palm and back of the hand and wrist. Quantity: 1 piece Color: Black ladaceae