Eraser Pen: • Safe application: High-tech microcomputer control and electric ion carbonate function can instantly remove freckles, age spots, mucus, etc. •Smart Design: This pen has 9 adjustable levels, reliable and intelligent processing. Built-in battery for easy carrying and use. • TOScope of application: suitable for different skin tolerances and different skin pigmentations. The LCD display facilitates precise control. Overload protection. •LED light head for improved work visualization. •Widely Use: With powerful skin rejuvenation, you can effectively remove wrinkles, scars, freckles, etc. and make your skin soft and smooth • Includes 3 coarse needles, 10 fine needles, USB charging cable, and user manual. Battery: 2000mAh Input current: 5V, max 5W Charges via USB cable (included) ABS, metal alloy.