Features: 1. The unit is equipped with a protection system; when the overload protection function is activated, the handle stops working to avoid overheating due to improper use. 2. It features a powerful 35,000 RPM motor with an adjustable speed dial and digital speed display. 3. Smooth and quiet machine head, with minimal vibration and noise, digital display design can show speeds and power status, and know the machine's operating status. 4. Portable hook design, with a clip on the back, it can be easily clipped on anytime and anywhere when clipped to the waist. 5. The handle shape is all metal, suitable for shape cutting, engraving, prosthesis painting, nail polish, nail removal, dead skin removal, drilling, etc. Condition: 100% brand new Item Type: Electric Nail File Material: ABS Power: 65W Voltage: 110~240V Speed: 35,000 RPM Battery Type: Built-in battery Battery Model: 444258 Battery Capacity: 1680mAh Optional Color: Black, White, Pink Size: As the picture shows Features: Features such as sharpening, polishing, nail polish removal, exfoliation, and curve engraving. It is suitable for shape grinding, cutting, polishing, tooth making, prosthesis painting, craft processing, carving, grinding, polishing, various manicures, accessories, and beauty operations. Instructions: 1. Connect the phone to the DC output jack of the host. 2. Insert the host plug into a suitable power outlet. 3. Insert the drill directly into the chuck of the mobile phone. 6-piece drill function: 1. 3 pcs coarse adamas drill bits: can be used for nail thinning, shaping, and etching 2. 3 fine adamas drill bits: can be used for removing gel polish, cleaning under nails, refining the epidermal area, and shaping. Usage: Household, nail salon, etc. Package Contents: 1 x Host 1 x Grinding Pen 1 x Power Plug 1 x Grinding Pen Holder 1 x Grinding Pen Base 6 x Grinding Heads 6 x Grinding Rings 1 x Manual