Feature: Equipped with 5 polishing heads,which can be used for nail shortening,filing,styling and polishing,as well as removing cornea,cuticle and calluses to meet your needs Lightweight pen shape and compact design,you can carry it anytime and anywhere,very suitable for travel or family use. This is a professional polishing tool for nail salon,pedicure and home electric manicure This product uses a battery drive and only uses two AA dry batteries with long service life (batteries need to be purchased separately) Pull out the drill bit and insert it for easy replacement.During manicure,the vibration is small,the sound is small,the heat dissipation effect is good,and it can work for a long time. Specification: Material: ABS color: White Product size: about 16.5CM long; Battery: 2*AA(NOT INCLUDED) Instructions for use: No.1 metal sanding head-to sharpen the corners of nails,thick dead skin,hand cocoon; No.2 sanding head-pointed cylindrical sanding,repairing the corners and edges of nails; No.3 polishing head ---- cylindrical sanding,aiming at the heel of the nail and polishing the nail surface; Sanding head No.4-disc-shaped sanding,repair nail tips,make the cut of nails smoother and smoother; No.5 polishing head ---- brush the surface of nails and polish the nail surface. Package includes: pen polishing heads silk bag English manual Equipped with 5 polishing heads,which can be used for nail shortening,filing,styling and polishing,as well as removing cornea,cuticle and calluses to meet your needs Lightweight pen shape and compact design,you can carry it anytime and anywhere,very suitable for travel or family use. This is a professional polishing tool for nail salon,pedicure and home electric manicure This product uses a battery drive and only uses two AA dry batteries with long service life (batteries need to be purchased separately) Pull out the drill bit and insert it for easy replacement.During manicure,the vibration is small,the sound is small,the heat dissipation effect is good,and it can work for a long time.