Features: 1. It works out, abs, strengthens and tightens muscles, and is ultra-lightweight, ultra-thin, wearable and portable. 2. Electrical Muscle Stimulation (EMS) technology, which increases the machine's workout intensity by more than 50%, is powerful in 6 modes, allowing every cell to burst with power. 3. Fix the exercise machine where you want to work your muscles and help consolidate and define your core by enhancing muscle contractions through electromagnetic pulses. 4. Built-in lithium-ion battery and USB cable included to get rid of endless battery replacements. Specifications: Name: Muscle stimulator Material: ABS &TPR Application: Body Model number: MA1081 Massage Item Type: Relaxation Relaxation Origin: Mainland China Slimming application: Slimming application: Slimming bandage Usage scenarios: Work, homework, exercise, weight loss Feature characteristics: Abdominal muscle stimulator, adult Rechargeable EMS devices Power supply input: 100-240V, 50/60Hz Voltage: 5V/1A Battery capacity of the battery: 300mAh Package Includes: 3*Controllers 1*Abdominal patch 2*Arm Stickers 1*USB Charging Cable 1*Manual Notes: 1. Please allow for slight measurement errors due to manual measurement. 2. Colours may appear slightly different on different monitors. 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.