If you are like me, you have to have one of these and it seems like I'm always either replacing the unit because it's cheap and falls apart or I'm replacing the batteries constantly. This solves both issues. It's really well made and has a variety of heads (all work very well, and are very gentle on your face). It charges with it's own built in USB plug (NO CORDS), which is great. It holds a charge... I haven't had it die on me yet.
And love the pink color, it keeps my hubby from using it :)