specification: Item Type: EMS fitness belt_x000D_Material: Neoprene, ABS_x000D_Remote Control Built in Battery: Lithium battery 800mAh_x000D_Controller Built in Battery: Lithium battery 1000mAh_x000D_Mode: 6 types_x000D_Mode Strength: 15 gears Features: 1Tighten Muscles: The fitness belt uses EMS technology to help you tighten and strengthen your body muscles, which can help you lose weight or shape your body. 2Lose Weight: When you take care of your baby or work, you can build muscle and lose weight easily by wearing this EMS fitness belt. 315 Gears Adjustable: 15 Gears vibration frequency is optional, you can choose the frequency that suits you according to your needs. 4Ergonomic: The use of unique ergonomics design, the cut and cut of the waistband conforms to the natural curve of the human body, and it is very comfortable to wear. 5Remote Control: The heated fitness belt is equipped with a remote control, which can be adjusted according to your needs and is very convenient to use. PackageList: 1 xFitness Belt 1 x Controller 1 x Remote Control 1 x Manual 1 x USB Cable