great foot callus shaver [SEP] this is a great value device that works really well it came charged but i plugged it in the wall and charged it before using it i like the fact that you can keep it plugged in while using it or you can unplug it and take it with you on the go this worked really well on my calluses probably the best remover i have tried has rechargeable batteries motor works well and is effective in providing enough spin action comes with multiple roller heads has a year warranty asin i found that it lasted minutes before starting to get slower comes with a brush which is useful for brushing away dead skin unit easily removes for cleaningdoes what it advertises of the product value satisfaction thoughtsbackhand index pointing rightbackhand index pointing left please feel free to comment below if you have any questions