Product Details: Package Included Each package comes with a nail grinder, including a grinding head, and five extra grinding heads as gifts, providing users with additional options for various nail care tasks. Advanced Technology The nail grinder tool offers 3 speed adjustments and has forward and reverse rotation options. It also features convenient charging and built-in lighting, which greatly facilitates nail care operations and makes use more precise and comfortable. Efficient Power and Speed The drill can be used continuously for about 3 hours on a single charge via the USB interface (DC5V). It operates at a voltage of 3.7V and has a speed of up to 15000 RPM, providing enough power and speed to effectively handle different nail care requirements. Wide Range of Uses The electric nail file is widely used and is suitable for filing, grinding, polishing nails, and even removing skin. It is very suitable for professional beauty salons and personal home nail care routines, and can meet a wide range of needs in the field of nail care. Material and Design The manicure pedicure tool is made of PP and equipped with a ceramic grinding head, ensuring its durability for long-term use. Its compact size is 13.2cmx2.1cmx2cm (equivalent to 5.20inchx0.83inchx0.79inch), which is easy to carry and store. Specifications Working voltage: 3.7V Rated power: 2W Speed: 15000RPM Applicable grinding head: 2.35mm Capacity: 500mAh Working time: about 3 hours Size table: 13.2cmx2.1cmx2cm/5.20inchx0.83inchx0.79inch Package includes 1 nail polisher (including 1 polishing head) and 5 polishing heads.