Panasonic's Men's Wet /Dry Shavers are packed with smart, innovative, features that deliver a remarkably close and comfortable shave. The ES-RW30-S is a 2-Blade shaving system which means more foils for better coverage and reduced shaving itme. Along with the Flexible Pivoting Head, the shaver glides uniformly over the chin and the jaw line for more efficient coverage and maximum comfort. The floating inner blades are precisely angled that features a counter-directional movement which reduces vibration and offers a quieter shave. Operates up to 21 minutes on a 15 hour charge. The ES-RW30-S comes equipped with a Pop-up trimmer.