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 60 minutes. • Longer lasting battery• Get a perfect but protective trim• Up to 60 minutes of cordless use after 8 hours charging• USB charging for convenient use• Choose beard lenghts of 1-3-5-7mm or the zero trim look