Junterone 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;. 3. Powerful motor, fast nail polish and manicure, electrically driven 360° rotation and high-speed rotation of micro motor per minute;. 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;.