Features: The lightweighted UV1007 nails File features a metal construction for robust durability and portability, making it ideal for travel or daily use. Its integrated high-efficiency motor delivers stable, powerful performances for smoother nails grooming. Equipped with a USB charging port supporting multiple charging methods, it eliminates frequent battery replacement and reduces environmental impacts. Comes with multiple polishing heads to meet diverse nails care needs, covering everything from filing to buffing. Utilises noise-reduction technology, operating below 50 decibels to avoid disturbing the surrounding environment. Specifications: Componenl: Metal Technology: Using precise processing Supporting multi-speed speed adjustment to meet different polishing needs; built-in large-capacity rechargeable battery; USB design, Input voltages: DC5V1A Motor voltages: DC7.4V Product speed: 0-35000RPM Grinding head size: 2.35mm Product size: 23mmx171mm Color: Optional Package Includes: 1PC Grinding Pen 1PC Speed ​​Control Cable 1PC Instruction Manual 1PC Ceramic Grinding Head 1PC Packing Box note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution