The Philips BT1000 Beard Trimmer has four built-in length settings, ranging from 1.5 mm to 7 mm, to trim your beard to the required length. It features extra-sharp blades with rounded tips, which cut hair neatly without causing skin irritation. This beard trimmer offers up to 120 minutes of cordless usage. The comb is flexible and follows the contours of your face for an even trim.