Product information:Power supply mode: batteryMaterial: ABS, siliconeSize: 21.7 * 20 * 3cmPacking list: 3 * host, 1 * belly sticker, 2 * arm sticker, 1 * manual [Professional Abs Trainer Muscle Stimulator] muscle equipment stimulates muscle contraction by transmitting electrical signals to the body to burn fat and shape muscle. The machine is suitable for many body areas such as the abdomen, shoulders, buttocks, biceps, thighs ... After about 2 months of use, you will see a clear difference in your body. [Exercise At Any Time & Place] The muscle stimulator is compact and lightweight, making it easy to carry. This idea makes it possible for you to practice exercises no matter where you are or what you are doing such as reading, cooking, walking your pet, ... without having to go to the gym. [Easy To Use] The electric muscle stimulator is designed to be easily used by anyone. First, you need to wash and dry the area of the body that needs to be exercised; Peel off the protective film of the ABS stimulator and apply it to your body; Fix the controller on the pad and select the appropriate intensity and training mode.Products from NIUNIU's store