Function description:< br>1. EMS has 12 modes and 19 strength adjustments to meet your daily exercise needs< br>2. 3-in-1 USB cable for effective charging: Unlike other sellers, the abdominal belt supports 3-in-1 USB charging. It can be charged through safe and convenient connections to laptops, mobile batteries, chargers, and car power sources< br>3. After being fully charged (charging time is about 30 minutes), it can be used 3 times (working time is 20 minutes). About 20-30 minutes per day: We recommend that you improve your eating habits and keep your body cleanNo hydrogel is needed, but conductive silica gel is used. Can be reused Configuration: 1 controller+1 belt (fabric version) Packaging: Color box packaging+instruction manual