Features 1. Red light heating function: can quickly heat up, with 3 adjustable temperature levels, humanized temperature control settings, intelligent temperature control, to meet different environmental needs. 2. Mesh bag design, can hold mugwort bags for mugwort hot compress. Vibration massage function: Three levels of adjustable vibration massage, simulating human massage. 3. Heating massage 2-in-1, 3-speed heating, 3 vibration massage modes for you to choose from. You can enjoy both functions simultaneously or separately. Vibration combined with heating can completely relieve and relax muscles and reduce stress. 4.5000mAh large capacity rechargeable battery, USB charging design, convenient to carry, can be used anytime and anywhere. 5. Equipped with a digital controller, touch screen button design, and panel display of temperature and power, the controller can be used to control temperature and vibration modes, making operation simple and convenient. Enable anti misoperation mode to prevent accidental touch of buttons during product use. Specification Product Name: Controller Submersible Material Red Light Heating Belt Belt size: 110 x 20 x 1cm Long strap: 92 x 7.8cm Packaging size: 26.7 x 20.2 x 8.5cm Material: diving material Color: Grey Working voltage: 5V Charging current (highest heating level): 1850mA Charging time: 2-3H Battery capacity: 5000mAh Battery life: massage+heating (highest gear) 90-120 minutes, maximum battery life for single heating 2-3 hours, maximum battery life for single massage 3-4 hours Heating temperature: 45-55-65 degrees Celsius Weight: 860 g Package Include: 1x Red Light Belt 1x Long strap 1x Charging cable 1x Instruction manual 1x Color box