it works for what we wanted it for [SEP] husband grew a beard the moment he was put on blood thinners and he has it trimmed once a month but sometimes that is not enough when it gets too long he tends to look like grizzly adams i would keep it tamed with scissor trims but this works much better he can do the trim himself and also trim his cheeks and mustache we have not tried it on trimming the hair at the back of his neckhe does not like that it is only usb and you have to buy a wall plug adapter to charge it i guess they figure most people have them now but it should come with one that is just being cheap