Anyone who has been obsessed with his skin on the feet on manual ways will experience real relief after using the device. The unit do a very stable impression is great in your hand and you can therefore also work selectively on thickening. Unlike rasps the risk of cutting does not exist. There are 4 AA batteries at (2 required for a charge). The fact that the batteries in the high speed relatively quickly empty, should be clear. But you can if you want to use rechargeable batteries.
