The Panasonic ES8109S Vortex Arc 3 Wet/Dry Shaver with Nanotech Blades and HydraClean uses a pivoting head, a linear motor, and other new technologies to give you an outstandingly close and comfortable shave. The ES8109S's linear motor achieves an astounding 13,000 revolutions per minute. Even the thickest beards are no match for this shaver, and you'll experience a frictionless shave with less pulling and irritation.