The Philips Norelco OneBlade Pro is a revolutionary electric grooming tool with 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. Based on 2 full shaves per week. Actual results may vary).