works great but not too powerful [SEP] the size it s super convenient as it s light and thin perfect to fit on any cosmetic bag the power it s ok until you try it with a hard nail it stops working if you add a little bit of pressure i like that you can adjust the speed i didn t like it that i need a plug for the usb but nothing that won t be easy to buy just so you know that you would need one so plan ahead the different tips are easy to change