RioRand RioRand Pink Professional 30,000 RPM purple Electric Ponceuse Nail Art Drill Machine with 300PCS Sanding Bands Powered by RioRand Advanced Technology Easy to use dialing speed control. Optional Foot pedal for easy operation. Improved Version : Quiet and smooth - very low vibration design for comfort grip Improved hand piece cable ending design : so the cable will not loose out easily Improved hand piece with fan and vents: better heat radiation to prevent overheating during a long period of usage. Improved twisted-lock design: easy to secure and remove the bits.