Features1Slim Down: One key operation, all round exercise muscles. Help to burn belly fat, reduce waist circumference, help you slim down in all directions. 2Premium Material: With high quality conductive silica gel conductive, silica gel large area exercise experience is stronger. 3Automatic: 20 minutes timing switch, no skin contact 30 seconds automatically off, easy to use. 4Rechargeable: Built in 150mAh lithium battery, USB charging, durable, charging 10 minutes, use 2 hours. 5Skin Friendly: Soft PU material, increase in bonding performance, skin friendly patch, can be used repeatedly. 6Advanced Technology: Strong host, built in buttons, with a sense of science and technology, more for your health.SpecificationItem Type: Electronic Slimming BeltMaterial: PUandABSandSiliconPatterns: Strengthening, Patting, Tensing, Vibrating, Relaxing, RubbingApplicable Parts: Thigh, Calf, Arm, ForearmFunction: Reduce Fat, Increase Muscle, ShapePower Supply: Lithium BatteryBattery Capacity: 150mAh (Delivered With Built In Battery)Package List1 x EMS Intelligent Massage Sticker 1 x The Host 1 x USB Charging Cable 1 x English Instruction Manual Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store