Shave Smart, Look Sharp! ✨ 4D Flex Heads adapt to your facial contours for a comfortable shave without pressure. One-touch open feature makes cleaning a breeze, keeping your shaver in top condition. Built-in pop-up trimmer for precise mustache and sideburn maintenance. Get up to 45 minutes of cordless shaving from just a 1-hour charge. Enjoy a clean shave with ComfortCut blades that glide effortlessly over your skin. 4D flex heads 45 min cordless runtime 27 self-sharpening blades The Philips Norelco Shaver 2500 offers a comfortable and efficient shaving experience with its 27 self-sharpening blades, 4D Flex Heads, and a convenient pop-up trimmer. Enjoy up to 45 minutes of cordless use after just a 1-hour charge, and keep your shaver clean with its one-touch open feature.