HIGH TECHNOLOGY Adopt EMS (Electrical Muscle Stimulation), can help to tighten and strengthen your body muscles.23 minutes of using per day is equivalent to 2000M running or 40 minutes of sit-ups, saving your time and energy for bodybuilding. (Note: The machine can only work when it is attached to the skin tightly. Or it will auto-off after few seconds If not in working state. GREAT DEVICE AND FEATURE SET ABS for abdomen/arm/leg Training, body partial exercise or massage. Adopt different levels of intensity from warm-up to high-intensity exercise and relaxation:fat burning, relaxation and exercise.ONE KEY SET ,EASY TO OPERATE.Works as a POSITIVE addition to your workout program. USB CHARGINGThe exercise apparatus uses USB charging and the exercise intensity of the machine increases by 50% than the similar products. The battery life of its is very long and it can do continuous physical exercise more than 60 times by charging only once.LCD Display -- LCD Display can clearly show 6 modes and 9 levels. You can control the mode and level by 3 buttons at machine Each EMS machine can be adjusted individually. EASY TO USEIt's super light, ultra thin, WEARABLE, and convenient to carry on.Designed with ergonomics targeting abdominal muscle exercise. Fix the fitness gear to the position where you want to strengthen your muscle. To power on, press "+" button for 3 seconds; to power off, press "-" button for 3 seconds. Fitness anywhere/anytime that you want. 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.