Color: black and white

Product material: ABS

Grinding head material: 150 mesh emery

Gear: 2

Speed: 1 gear 5500rpm, 2 gear 7700rpm

Built-in battery: 500mAh

Charging voltage: 5v 1A

Charging time: 3 hours

Use time: 3 hours

Host size: 3.2x3.2x13.8cm, 98.2g