2 in 1 Electric Nail File Portable Nail Drill Machine 

2600mAh, can be used continuously for 10 hours
Ergonomic, smooth and easy to control
Support forward/reverse rotation, convenient and efficient.
Can as a power bank,charge for your phone,ect.
Higher speed and lower noise, less vibration and better stability, this product is extremely quite and smooth.
Effectively reshape nail edge and burnish nail surface.
Multi-purpose, it can be used to trims callous cuticle, removes hard gel, also performs for carving, sanding, polishing, drilling, etc.
Suitable for professional salon use and personal use. It works great on both natural and artificial nails.
Easy to operate, it has a manual switch that can be easily controlled.

Specification:
Item Type: Electric Manicure Drill & Accessory
Number of Pieces: One Unit
No-Load Speed: 30000rpm
Size: 13.7x7x4cm/5.39x2.75x1.57Inch.Weight: 1KG
Colors: Silver, Pink, Green
Battery capacity: 2600mAh