Comfort Cut Blades, get a clean shave that's comfortable on your skin. Rounded blade caps shield 18*3 self-sharpening blades to gently cut hair just above skin level and help the shaver glide smoothly over your skin. Experience a convenient, clean shave with heads that flex and float in 4 directions. The head adjusts to the curves of your face, ensuring smooth contact with your skin without a lot of pressure. 3D Flex Heads follow your face's contours for a clean shave. Pop-up trimmer for mustache and sideburns. Finish your look with the built-in trimmer. Ideal for maintaining your mustache and trimming your sideburns. 90 minutes of cordless shaving from an 1-hour charge - that's about 30 shaves. Or plug it in for instant, continuous power. Easy to Clean, after each use, just one touch, you can open the lid just remove the lid and rinse under running water or clean it directly with a small brush.