Package Contents: Main Unit 1 x Abdominal Muscle Patches 2 x Local Patches 1 x Data Cable 1 x Instruction Manual 1Instruction Manual1. Package Contents: 1 x Abdominal Muscle Trainer1. What are the benefits after use? This abdominal muscle trainer is for muscle training and shaping; it helps you exercise and strengthen your muscles. You can achieve a better physique after using the abdominal muscle trainer for approximately 2 months.2. What is the function of EMS technology? EMS (Electromuscular Stimulation) sends signals directly to the muscles through electrical stimulation, promoting muscle movement. You can start exercising your muscles simply by attaching the abdominal muscle trainer to your body.3. What are the effects after use? Each 20-minute use of the abdominal muscle strengthening belt (without spending a lot of time and sweat) is equivalent to running 2000 meters, doing 30 minutes of abdominal exercises, 30 minutes of free swimming, and two weeks of dieting.4. What are the features? This abdominal muscle strengthening belt is ultra-light, ultra-thin, and easy to carry. You can wear it discreetly under your clothing for abdominal muscle exercises. You can exercise while reading, doing housework, or even while traveling or on vacation.5. Easy to useThis ultimate ab stimulator powers on for 20 minutes by default and automatically shuts off when not in use. It features a battery self-check function. The controller only activates when you apply the gel pad to your body.