Philips OneBlade is a revolutionary new technology developed for men with beards and different styles of beard. OneBlade is suitable for trimming, styling and shaving any beard length. The unique OneBlade features a fast shearing blade (200 times per second) with dual protection system. This ensures an efficient and pleasant shave, even with long beard hair. OneBlade does not cut too close to the skin so that it remains intact. The blades are specially designed for long lasting performance. To ensure optimum performance, you only need to replace the blade every 4 months. The exchange is simple and effortless.