Review (3/5): Very effective, but terrible battery
This came as promised, and I was happy when I opened it up. It has three barrels all together, with two different amounts of grit. The directions said to charge it for 8 hours before use, and that the light would turn green. When I plugged it in, the light was already green, which was a fun surprise.
This little machine is pretty powerful, and I love that it has 180° of use around the top, so I don't have to worry about flipping it around my foot.
My biggest problem with it is that it will only run for less than five minutes before it slows down to the point of it being unusable. I love that it's rechargable, because I don't have to flip out batteries again and again, but the very short life off the cord is a major drawback for me.