This belt is made of high-quality diving fabric, which is light, soft and elastic, with good thermal insulation, comfortable touch, not easy to pilling, and easy to carry. USB charging: Built-in 5000mAh high-capacity rechargeable battery, supports wireless use of this product, allowing you to enjoy a comfortable massage anytime, anywhere. Equipped with digital display controller, touch screen button design, panel display temperature and gear, you can use the controller to control the temperature and vibration mode, the operation is simple and convenient. Anti-mistouch function: When using the product, you can turn on the anti-mistouch mode to lock the control panel to avoid accidentally touching the keys. Specifications: Material: diving material, Color: grey, Working voltage: 5V, Charging current (heating the highest grade): 1850mA, Charging time: 2-3H, Battery capacity: 5000mAh, Battery life: Massage (top grade): 1440Min, Heating (highest grade): 102Min, Massage + heating (highest grade): 66Min. Packing List: 1* Red Light Belt, 1* USB Charging Cable, 1* English User Manual, 1* Packing Box