Philips OneBlade Pro QP6506/15 Wet & Dry Shaver. This Philips shaver's OneBlade technology has a fast-moving cutter so no hairs get missed. Trim your beard just the way you like it with the 5-in-1 adjustable comb. The dual-sided blade lets you shave in precise edges and lines for a sharp look. Each stainless steel blade lasts up to 4 months - an eject symbol will appear when it needs changing. It's suitable for wet and dry use so you can get your groom on at the sink or in the shower.