The Rozia HQ277 trimmer has a self-sharpening precision blade with which to cut hair and beard. It takes 1.5 hours to fully charge once which can be used for up to 10 minutes cordless continuously. The cutting length is adjustable from 0.5mm to 2.0mm with a moving blade. It has two shift speeds that can be adjusted via a switch, 5-watt power, 50/60 Hz frequency.