specification: Item Type: Muscle Training Belt_x000D_Material: PU Leather+ABS_x000D_Built In Battery: Lithium Battery 180mAH_x000D_Scope of Application: For body parts such as abdomen, arms, thighs, buttocks, etc. Features: 1Exercise Muscle: Microcurrent technology, promote the muscles to contract spontaneously, can help shape muscle, lose fat, reduce muscle pain, comfortable to use. 2Adjustable Mode And Strength: Equipped with a controller, clear button, easy to operate. 8 mode and 19 gears of strength, you can adjust it according to actual situation. 3Multiple Applicable Parts: Abdominal muscle training belt is suitable for multiple body parts such as abdomen, arms, thighs, buttocks, etc., easy to wear and remove. 4Compact And Portable: 180mAH built in lithium battery, easy to charge. Small and light weight, easy to store and carry, suitable for home, office, gym and other places. 5PU Leather Material: Fitness belt is made of high quality PU leather, safe and eco friendly, soft and skin friendly, breathable and wear resistant, durable for use. PackageList: 1 x Fitness Belt 1 x Controller 1 x USB Cable 1 x Manual