Remington R4000 Series Rotary Shaver features dependable Advanced Cordless Power, with up to 50 minutes of cordless runtime. The pivoting rotary head has more contour and adjusts to any angle to help reduce irritation. With 2X More Tracks, the blades stay in close contact with skin to help prevent irritation and deliver a fast shaving experience. You get two great styles from one shaver with the included stubble attachment. It snaps onto the shaver head and creates a stubble that will enhance your look. Plus, clean shaving is easy with the fully washable shaver and a special antimicrobial additive that helps inhibit the growth of bacteria.