Feature: 1. 1. Abdominal muscle training device, it is a healthy fitness technology that can enhance muscle movement, help fat burning and muscle building. 2. 2. Comfortable, durable, lightweight and skin-friendly, with excellent breathability and odor resistance, as well as sweat and dust resistance. 3. 3. Easy to carry, you can use it anytime and anywhere, such as work, housework, professional training and leisure fitness, from warming up to high-intensity exercise to strengthen your body muscles. You will see the results of your abdomen in less than 3 months. 4. 4. 6 modes and 15 levels of intensity can be adjusted to meet your daily exercise. The mode and intensity are displayed on the LCD screen. When worn on the body and used, you can see and confirm the operation status. 5. 5. USB rechargeable and no need to change the gel sheet: after fully charged, it can be used about 36 times, it also eliminates the need to replace consumable gel sheet. This is very economical, because you can wipe with water before using conductive pads. 6. Specification: Charging voltage: DC 5V Working voltage: DC 3.3V Recommended temperature: 10-40 ° C Instructions: 1. Install and fix the controller on the front of the belt 2. Wipe the four white electrical conductors on the belt with a damp cloth, wipe it back and forth several times with water (please use clean water, mineral water or household drinking water) 3. Stick directly to the middle of the belly 4. Press the M key to start the host, the indicator lights, each time you press the M key will switch a mode Package List: Note: Package included: 1 * Belt 1 * Controller 1 * USB charging cable 1 * User manual