1.This product introduces EMS micro-current technology and can be easily worn at home for cooking, housework, childcare, reading, etc. *[Caution] Please moisturize the skin with lotion, essence, gel, etc. Please use lotion, serum, gel, etc. to moisturize your skin. 2.3 Function Modes & 9 Gears Adjustable. The beauty machine is equipped with three EMS function modes. You can choose freely according to your preference. Function 1: EMS mode, Function 2: EMS mode + vibration mode, Function 3: EMS + gap vibration mode. Each function has 9 gears. 3.Easy remote control operation & USB rechargeable. Easy mode operation with the included remote control, easy attachment to the face line, convenient, and automatic shutdown after 15 minutes of no operation. This product is USB rechargeable and takes about 4 hours to fully charge. 4.Package Contents.Controller, silica gel mask, instruction manual, and USB charger. Please follow the instructions in the manual. Please press the ON button while the mask is in firm contact with the skin. If the skin is separated from the mask, the power will be weakened or will not turn on. Please be sure to use the product with the power turned on in a state of close contact. 5.This product is a portable beauty device and is not a instrument. The main body and remote control of this product have a charging boat, so please do not flush the product with water or allow it to be invaded by water. Charging voltage: DC5.0V Rated power: 1.5W Battery capacity: 200 mA Package size: 26 * 12 * 8cm/10.23 * 4.72 * 3.14in Product weight: 253.5g