1、It works safely with steady vibration, its speed can be varied, low heat and low noise, nice for manicure and pedicure. 2、The compact size makes it very easy to use, fast and effective, it takes less time to remove polish. 3、Simple design, easy for you to change nail drill bits, great for doing beautiful acrylic gel nails. 4、Portable, great for doing beautiful acrylic gel nails when you are at home or at a nail DIY salon. Features: It works safely with steady vibration, its speed can be varied, low heat and low noise, nice for manicure and pedicure. The compact size makes it very easy to use, fast and effective, it takes less time to remove polish. Simple design, easy for you to change nail drill bits, great for doing beautiful acrylic gel nails. Portable, great for doing beautiful acrylic gel nails when you are at home or at a nail DIY salon. USB interface, suitable for professional salon use or family use. Specifications: Color: Silver, Pink, Colorful(Optional) Voltage: 5V RPM: 3500rpm Package Size: 200 * 85 * 40mm Package Weight: 165g Package List: 1 * Electric Drill Pen 1 * Nail Drill Bit 1 * USB Charging Cable 1 * Electric Drill Pen 1 * Nail Drill Bit 1 * USB Charging Cable