Features:

• Multi-Use: Carving, Engraving, Routing, Grinding, Sharpening, Sanding, Polishing, Drilling and more...
  
• 78.7 inches Charging Cable, it would be better for charging.
• Suitable for professional nail Art Salon or personal use.
• Please clean the body with a soft cloth, never use cleaning solvent or detergents 10V Adapter
• Variable Speed From 3,000-20000RPM Double Bearings Design Double Insulated Easy to use in any position Accepts all rotary tool accessories Lightweight design for precision Operation

Operation:

1. Unplug the tool from the electrical outlet before loading a bit.

2. Press shaft lock button, rotate the collet nut anticlockwise (but do not take the nut out) insert the bit, and tighten the collet clockwise securely. But avoid excess tightening of the collet nut in case of damage in the nut.

3. Slide the on/off switch to find the speed needed between 3000-13,000RPM. Slide the switch to the black dot for a complete stop.

4. When finished, unplug the tool, take the bit out and store the set in a dry place.