The Philips Norelco OneBlade is a revolutionary new electric grooming technology designed for men who wear facial styles, beards, or stubble. OneBlade trims, edges, and shaves any length of hair. The unique OneBlade shaving technology integrates a fast-moving cutter(200x per second) with a dual protection system to give you an efficient comfortable shave on longer hairs. OneBlade does not shave too close, so your skin stays comfortable. The replaceable OneBlades last up to 4 months (For best shaving experience.