Feature: 1. Adjustable Temperature: The heating wristband adopts 3 speed temperature control design, users can choose the suitable thermostatic gear according to individual needs, to achieve the convenience of one button start, the elderly can also be applied easily. 2. Hook and Loop Design: The heating belt is equipped with hook and loop, which is not only strong and firm and will not come loose during activities, but also can be flexibly adjusted according to the thickness of the individual wrist to make it fit the wrist more closely and play a more effective heat preservation. 3. Portable: USB interface, can be connected to the computer and other equipment power supply, without space limitations. It is an ideal warming device for people who need to keep their hands warm in various environments such as outdoor, office, travelling, etc. 4. Comfortable: The heated strap is made of elasticated fabric, which maintains the right amount of looseness and keeps you sufficiently warm. And the inner lining is added with fleece material, which is soft and comfortable, giving your wrists careful care and taking the warmth experience to the next level. 5. Multifunctional: Multi part applicability, not only adapted to the wrist, but also can be applied for elbows, ankles and other parts. Whether it is the surfaces of the hands or joints, you can get constant temperature and comfortable protect, both warm and practical. Specification: Item Type: Heated Wrist Brace Material: OK Cloth, Neoprene Size: Total Length Approx. 42.5cm / 16.73in, Maximum Width Approx. 10cm / 3.94in Temperature: 3 speed temperature adjustable. Package List: 1 x Heating Wristband 1 x USB Cable 1 x Instruction Manual