Pro 45000RPM Rechargeable Electric Nail Drill Machine Portable Manicure Pedicure Features: Low noise, the speed can be adjusted at will. Long battery life design, does not affect your use. Small size, can be carried around. Concise button, easy to operate. USB socket, the product can be used as a power bank to charge other power-loss devices. Replace the grinding head, turn left and open, turn right and lock, convenient and practical. Product Description: Name: Nail polisher Color: Green/White/Champagne Speed: 0-45000RPM Function: LCD high-definition display / can be used as a power bank Features: Adjustable speed (forward/reverse), high rotation and low noise Tone, replaceable polishing head, remove light therapy nail / polish nail surface / manicure type Power specification: 5V2A Number of revolutions: 45000 RPM high-speed motor Maximum power consumption: 36W Battery capacity: 4000mAh Machine size: 13.6x6.7x3.5cm Use time: 6~8 hours (idling) Function Description: Switch/pause Forward and reverse switching Sanding pen sowing holes Power display Speed display Power Seeding Holes How to use: Knob switch, unscrew the machine to start, the digital display shows the corresponding speed. Switch forward and reverse with the side button. Metal precision handle with replaceable grinding head. When the power indicator flashes, please charge in time. Unplug when the light stops blinking. Precautions: Please read this manual carefully before use. Please use the correct voltage. Do not let water or other liquids enter the machine, so as not to cause machine failure. Do not use machines with damaged timers and functions. If you do not use the machine for a long time, please turn off the switch. After each full charge, please press the adapter to avoid damage to the battery due to overcharging. If the adapter is damaged, please do not use it to avoid any potential risk. Packing list: Grinder host *1 Hook*1 Connection cable*1 Metal grinding head*6 Handle*1 TYPE-C charging cable*1 Manual*1