Feature: 1. Easy to insert, more convenient to replace the grinding head, suitable for 2.35mm grinding head diameter drills on the market. 2. 18000-20000 rpm to achieve maximum manicure strength, suitable for both beginners and professionals. 3. Great for salons and families. Come with nail drill and another nail drill to meet your requirement. 4. Small and light, all you have to do is carry it in your purse or suitcase to travel or wherever you want. 5. For manicure, nail polish removal as well as dead skin removal etc., suitable for home, nail art shop etc. Specification: Item Type: Nail Drill Material: aluminum alloy Power supply: USB interface Speed: 18000-20000 rpm Features: compact and beautiful, more in line with the female hand that holds it for operation Usage: household, nail shop, etc. Usage: 1. Plug the product's power cord into the electrical outlet and the power indicator will turn on. 2. Insert the plug of the direct current cable into the socket on the rear cover of the grinding machine. 3. Select the appropriate grinding head according to the operating requirements, then insert it into the hole in the front handle of the automatic loader. 4. Rotating speed and positive and negative rotation can be adjusted by scroll wheel. Package List: 1 x nail drill 7 x carborundum burs 4 x quartz drill 6 x sanding belts 1 x manual 1 x USB cable Note: Please note that the new type and old type of this product will be sent at random so make sure you do not mind before ordering.