Product Name: Nail Polishing Machine Product features: small and convenient; speed can be adjusted; USB power supply, environmental protection is convenient Product list: host, 6 polishing heads, power cord Features: Equipped with 6 different types of steel sanding heads, 6 coarse sand rings and 3 fine sand rings, with different functions, which can easily remove dead skin, hand cocoons and barbs around nails. You can also easily trim the edges of your nails and polish your nails. Button design makes it quicker to replace the polishing head.