2. EMS (Electrical Muscle Stimulation) uses current stimulation to directly send signals to the muscles, promoting muscle movement. The theory comes from Cristiano Ronaldo, who studied this revolutionary training gear and has been used by physical therapists for 30 years in the health industry. 3. 20 minutes a day. It's equal to 2000 meters, 60 minutes of running crunches and sit-ups, 30 minutes of swimming, and 2 weeks of free diet. Easy and powerful body toner. 4. Shengmi for abdominal muscle training, IM-Body for partial body exercise such as waist trainer, arm slimming triceps, 6 modes. 5. From warm-up to high-intensity exercise and finally to relaxation: burn fat, relax, and exercise. Fitness anywhere, anytime you want. USB charging, very convenient. Voltage: 1.5V, 2*AAA for each battery case (3 cases); Mode of use: AF (6 mode); Frequency: 1-100Hz; Output: max 9.8mA. Abdominal fitness device for: Amateur fitness; Body relaxation; Muscle exercise; Sculpting your elegant figure. Note: These gel pads are consumables, the lifespan is about one month (about 30 times of use). Please replace a new gel pad under the following circumstances: The pad is worn out; The adhesive surface is dry; The adhesive force is reduced; Dirt that is difficult to remove, etc. The following people prohibit the use of this product: Heart patients; Epilepsy; Osteoporosis; Fat women and parturients; Blood circulation disorders; Skin abnormalities (dermatitis, infection, injury, etc.); The body is abnormal; The body has implants.