- Hztyyier Electric Nail File Set, USB rechargeable, designed for baby and adult nail care - Includes 9 replaceable polishing heads: 5 for adults and 4 padded for babies, adapting to different nail types - Adjustable speed from 0 to 8100 RPM via continuous control, allowing precise and safe filing - Next-generation silent motor with low vibration and low noise, ideal for not disturbing little ones - Front LED light makes it easy to use in low-light conditions, improving visibility and precision - 300 mAh rechargeable battery, with up to 75 minutes of runtime per charge - Includes durable storage case and USB cable for easy recharging anywhere - Versatile tool for filing, polishing, engraving, and drilling nails, suitable for home use and travel - Ergonomic, compact, and easy to carry design