Feature: 1. HIGH EFFICIENCY: Professional nail polish machine can easily remove nail dead skin, make nail art more perfect, 0‑40000 rotation, CW and CCW switch use 2. PORTABLE DESIGN: The nail drill kit is small, lightweight and easy to carry so that you can keep your nails beautiful wherever you are, useful and practical 3. VERSATILE USE: Professional nail drill can not only remove nails, but also be used for a variety of nail polish, polishing and other nail treatments 4. EASY TO USE: Nail drill machine adopt one click switch, easy to use, suitable for helping the elderly, pregnant women, and babies, as well as pople care and nail salon use 5. QUICK POLISH: Nail drill is designed with high speed rotation to quickly polish the surface of the nail, leaving the nail shiny and attractive Specification: Item Type: Nail Drill Material: Plastic, aluminum alloy, electronic components Battery Type: 3000mAh Lithium Battery Polishing Pen Size: Approx. 14 x 2.3cm / 5.5 x 0.9in Charging Time: 3.5 Hours Operating Time: 12 Hours. Package List: 1 x Main Unit 1 x Grinding Pen 1 x User Manual 1 x Charging Cable 1 x Connecting Cable 1 x Grinding Head Storage Box 1 x Ceramic Grinding Head 1 x Grinding Pen Base