Electronic Muscle Stimulation (EMS) is a gentle therapy designed for the home. Doctors, physical therapists and athletes around the world use the technique regularly. Tighten, lift, and firm legs to improve slack Exercise both arms at the same time to effectively strengthen the upper arms 10 sports modes to switch freely Name: Smart fat-reducing leg belt Weight: 641g Battery voltage: 3.7V Current: 2ma Power: 5W Frequency: within 100hz Function: 10 modes, 150 levels of intensity Packing list: 1 set of stovepipe belt 1*Controller 1*Instruction 1. The product can be used every day, it is recommended to use each part once a day. Please avoid using the same part more than once, otherwise it will cause muscle fatigue. If your skin or body feels uncomfortable, please discontinue use and consult a doctor 2. The product is not waterproof and cannot be used in the bathroom. Otherwise, unnecessary accidents or product damage may result. 3. The fiber leg belt can be cleaned, but the controller and hydrogel pad must be removed first. Always follow the directions on the label to clean the leg straps (see product instruction manual for details) 4. As with any other exercise, muscle soreness is inevitable. If the muscles are sore, the intensity of the product can be reduced.