Item Type: Electric Nail Polishing Machine Product Material: Aluminum alloy Product Power: 15W Power Supply Mode: USB Product Speed: 0-30000rpm Product Features: Short and beautiful, product size design is beautiful, more in line with the posture of a woman holding a polishing pen; Product Function: Nail removal / polished nail face manicure type, adjustable rotation direction, replaceable polishing head; Product Use: Household, nail salon, etc. Size: Approx. 140 x 23mm / 5.5 x 0.9in Package List 1 x Polishing Pen 1 x Grinding Head 1 x USB Cable 1 x User Manual 1The USB line controller has a speed control display, and the speed can be clearly seen. 2Three-lobe spring lock head design, no grinding head, strong compatibility and high concentricity. 3Aluminum alloy body, fast heat dissipation, effectively guarantee the service life of the internal structure of the body. 4The integrated design of CW and CCW makes the product concise and exquisite, compact and light, easy to carry. 5The product has many functions, which can be used to remove nails, polish nails, manicure, etc.