The Philips Norelco OneBlade Pro is a revolutionary electric grooming technology designed for men who wear facial styles, beards or stubble. OneBlade trims, edges and shaves any length of hair. The exclusive OneBlade shaving technology integrates a fast-moving cutter (200 times per second) with a double protection system to give you a comfortable, efficient shave on longer hair. OneBlade doesn't shave too much, so your skin stays comfortable. Replaceable OneBlades last up to 4 months* (*For a better shaving experience. Based on 2 full shaves per week. Actual results may vary.) Trim 14-length precision comb for quick, even trimming in all the right places. Edge up: Double-sided blade for precise edges to line up your style easier than ever. Shave: Fast motion cutter to shave long hair, but not too close so your skin stays comfortable.