Features: Professional portable design high quality higher service The grinder is equipped with a chuck and its mini design makes the 2-in-1 quick-switching polishing motor and the multi-function host power supply in the handle of the entire grinder ensuring the compactness portability and mobility of the body. This nail polisher can be used for polishing nails dentures models jade jewelry etc. Different grinding heads will get different grinding effects. Using 5V high-strength magnet motor the speed is faster than the conventional 12V motor the power consumption is lower than the conventional 12V motor the heat is small the high speed the low power consumption. It is compatible with any power adapter of 5V1A and above on the market. Almost any mobile phone charger adapter can be used with this sander. Quiet and convenient operation: The high-quality engine runs stably and the professional pen-shaped drill bit runs very quietly stably without vibration. Comfortable grip. The professional quality makes it an extremely quiet and smooth experience. Safe and durable: The electric manicure is made of high-quality aluminum shell which can effectively dissipate heat increase working time and extend service life. Product size: 13 x 2 cm Package Included: 1 x Nail File Drill 1 x Nail Brush 5 x Quartz Grinding Head 6 x Metal Grinding Head 16 x Frosted Ring