Feature Descriptions:- This Pen Polish Nail Machine can be used for polishing nail、toe、or other with usb cale charge, and the power is very strong,and it is low-heat,low-vibration,quiet, stale,professional,portable,compact- This tool is designed for carving, engraving, routing, grinding, sharpening, sanding, polishing, drilling and more.- Unplug the tool from electric outlet before loading a bit.- Press button to lock shaft, use the collet wrench to loosen the collet nut. Insertthe bit, and tighten the collet securely, but avoid over tightening thecollet nut and never use the damaged bit.- There is an OFF/ON switch. When the switch is on, the tool runs at a lower speed in the beginning, slide the switch to find the speed needed from 0 to 35,000rpm. Slide the switch towards OFF for complete stop.- When finished, turn off the tool and unplug it.The drill can be used for natural nails as well as artificial nailsPerfect for professional or home use.Package Included:1Pc x Electric Drill Machine1Pcsx Drill Bits1pc x User Manual (in English)1pc x Usb Cable Charge