The Philips BT1212/15 Beard Series 1000 Beard Trimmer, Green features extra-sharp blades with rounded tips, which cut hair neatly without causing skin irritation. It's DuraPower technology ensures a long-lasting performance, while the self-sharpening stainless steel blades trim consistently as on day 1. Moreover, this trimmer can also be charged with a micro-USB cable and runs for up to 30 minutes.