Description Designed in a compact size, this manicure tool set can be carried around easily. You can put it in your pocket, backpack, or suitcase while going out. This nail polishing tools set is not only suitable for home but also perfect for small businesses. Just enjoy your life! Features -Material: ABS.-Size: About15.00X2.00X2.00cm/ 5.89X0.79X0.79in.-Voltage: 3.7V-USB charging: 5V 1A-Lithium battery: 130mah-Charging TimeAbout 120 minutes.-Working Time: About 60 minutes.- Good resistance to corrosion and rust, and allow you to clean them conveniently.- Light weight, low noise, easy to replace bits without any tools. Pen shape, handy to operate.- Multi-functional and versatile, can be used for manicure, sanding, polishing, exfoliation.- This acrylic nail drill machine is super easy and light to figure out and hold, it is friendly use for beginners.- Humane USB charging design, can be fully charged by the USB cable with power banks, personal computer, laptop, and so on. Packing list: 1 x electric nail drill machine1 x USB cable5 x grinding heads