"4-in-1": Ultrasonic peeling with four beauty modes: ultrasonic peeling mode, ion extraction mode, ion introduction mode, and EMS microcurrent massage mode. For skin that gives you confidence in your bare face. "Compact": The beauty device weighs only 88g. Convenient for carrying and storage. Perfect for business trips and travel. USB rechargeable, it can operate continuously for up to 120 minutes when fully charged. "Easy Operation": The water peeler turns on with a single short press of the button. While the device is on, short presses switch between each mode. A 3-second long press turns it off. "Water Peeling Specifications": Ultrasonic frequency: 30000Hz Battery capacity: 400mAh Charging time: Approximately 90 minutes Operating time: 120 minutes Will ship after removing from the box. Moa"