Durratou The built-in battery can be used without and the USB interface is , which offers high compatibility and can connect laptops, mobile power supplies and charging heads Material: ABS three-speed adjustment, with display. Battery capacity: 300 mA Charging time: 3 hours Battery life: 1-2 hours Charging voltage: 5V1A and rotation speed: 15000RPM. Colour: white. Package contents: 1 x Host. 5 x Polishing and Grinding Heads 1 x Ceramic Corn Grinding 1 x USB Charging Cable 1 x English instruction manual. 6 x With diamond emery ring Only the above package, other products are not included. Note: light reflection and different screens may cause the colour of the item to be slightly different from the real thing. The allowed measurement error is - 1-3 cm. INGREDIENTS ABS5. Projector lighting, polishing is clearer, and there are 4 LED beads at the for lighting, which light up when the machine is turned on, and polishing, polishing and removing nails are clear at a glance . Functional features: 1. Three speed adjustment, rotation backward, low noise, manicure, manicure, polishing and peeling, multifunctional manicure instrument . 4. The operation of the ceramic polishing is and the texture is carefully polished, which fits the radian of the nail , and the removal of the nail does not hurt the nail, so that novices can easily operate . 2. Multiple polishing replacement, adjustable rotation and back, 3-speed adjustment, powerful motor and 4 LED beads on the lamp holder for convenient, compact and portable lighting . 3. Powerful motor, fast nail polish and manicure, electrically driven 360 rotation and high-speed rotation of the motor per minute .