Trims beard, guards skin Protects against nicks and cuts The DuraPower technology ensures a long-lasting battery performance, while the self-sharpening stainless steel blades trim consistently as on day 1. This trimmer can also be charged with a micro-USB cable and runs for up to 30 minutes. Trimming performance Stainless Steel Blades for long-lasting sharpness Choose beard lenghts of 1-5-7mm or the zero trim look Skin-friendly blades for smooth skin Easy to use DuraPower technology for a longer lasting battery life Up to 30 minutes of cordless use after 8 hours charging USB charging for convenient use Light on the device indicates when battery is charging Travel lock prevents trimmer from accidentally starting Detachable head for easy cleaning Ergonomic design for easier handling Built to last 2 year guarantee, worldwide voltage, no oil needed