Feature: 1. Portable Nail Drill Machine: Portable design, suitable for various nail styles. With 035000rpm speed, the lithium battery with 2600mAh capacity ensures long lasting use without the need for frequent battery replacement. 2. Electric Manicure and Pedicure Tool: Multi functional tool for polishing nails, removing dead skin, and smoothing nail surface. Suitable for home or professional use in nail salons, providing convenient and quick nail care. 3. Charging Electric Nail File: Efficient and practical, precise grinding without harming nails. Ideal for polishing nails and pedicures without causing any damage. 4. Tool for Nails Care: High performance and long lasting, suitable for both home and professional use. Provides a quick and easy way to maintain beautiful nails at all times. 5. Portable Electric Nail Grinder: Compact and rechargeable design, easy to carry and use. Comes with tools for nail grinding, making it convenient for both personal and salon use. Specification: Item Type: Electric Nail File Set Maximum Speed: 0-35000rpm Battery: 2600mAh Lithium Battery (built in) Instructions for Use: Sanding pen connected to the connection port of the host. Power on: long press the power button for 3 seconds to power on; power off: long press the power button for 3 seconds to power off. The handle is connected to the host computer normally shows "ON", the handle is not connected or incorrectly connected to show "OFF". RPM display: 0035RPM, representing 035000rpm. Memory function key: when the handle is connected to the machine for normal operate, the "HAND" indication in the LCD screen will be bright; under the "PAUSE" key, the "HAND" indication will go out, and the handle will stop rotating and enter the current speed standby mode. The handle stops rotating and enters the current speed standby state. Speed knob: twist with the pointer to adjust the speed: twist counterclockwise to adjust the speed. The pen barrel is installed at the pen barrel device, and the handle shell is placed in the pen barrel.. Package List: 1 x Main Unit 1 x Grinding Pen 6 x Grinding Head 1 x Storage Box 6 x Sanding Ring 1 x USB Charging Cable 1 x User Manual 1 x Pen Holder 1 x Connecting Cable