Feature:1. When polishing, the grinding head moves quickly on the surface of the nail, trim nail, sanding and polishing, convenient nail polish removal, exfoliating, grinding calluses. 2. USB power supply, can be powered by mobile power supplies such as power banks, computers, etc., to solve power problems. 3. The machine rotation direction is adjustable, powerful motor, high speed and low noise, idling 15000RPM rotating speed, can polish the nails without hurting the nails. 4. Ergonomic design, matte surface, pen shaped machine body, compact and convenient, not easy to fatigue during use. 5. Compact machine body, easy to store and carry, bring you convenience. 6. Equipped with a box of 6 polishing heads, six different specifications, you can choose according to your needs, suitable for home use, nail salons, beauty salons, etc. Specification:Condition: 100% Brand New Item Type: Nail Drill Material: Alloy Function: Remove nail polish, grind, polish, exfoliate, etc. Rotating Speed: 500-15000rpm Power Supply Mode: USB Mobile Power Supply Features: Manicure nail art / nail polish removal and polishing / forward and reverse rotation adjustment / aluminum machine body / idling 15000rpm / replaceable polishing head Suitable for: Home, nail salon, etc. Size: Approx. 11 x 2cm / 4.3 x 0.8in Package List:1 x USB Cable1 x Polishing Pen1 x Box of Polishing HeadWhen polishing, the grinding head moves quickly on the surface of the nail, trim nail, sanding and polishing, convenient nail polish removal, exfoliating, grinding calluses. The machine rotation direction is adjustable, powerful motor, high speed and low noise, idling 15000RPM rotating speed, can polish the nails without hurting the nails. The machine rotation direction is adjustable, powerful motor, high speed and low noise, idling 15000RPM rotating speed, can polish the nails without hurting the nails. Compact machine body, easy to store and carry, bring you convenience. The machine rotation direction is adjustable, powerful motor, high speed and low noise, idling 15000RPM rotating speed, can polish the nails without hurting the nails. Ergonomic design, matte surface, pen shaped machine body, compact and convenient, not easy to fatigue during use.