The Philips Norelco Shaver 6800 Series 6000 is built around efficient cutting with fewer repeated passes. Forty five self sharpening SkinProtect blades deliver up to 90,000 cutting actions per minute, while the SenseIQ Smart Hair Sensor reads beard density 125 times per second and automatically adjusts cutting power as facial hair changes. Flexible 360-degree contour heads help maintain contact across the face and neck for a close, comfortable rotary shave.Efficient Cutting with Contour ContactForty five self sharpening SkinProtect blades deliver up to 90,000 cutting actions per minute. The 360-degree contour heads flex around the face and neck to help maintain contact across curved areas, reducing the need for repeated passes.Wet or Dry ShavingThe waterproof shaver can be used dry, with shaving gel or foam, or in the shower. After shaving, the one touch release opens the shaving unit for rinsing under the tap. A cleaning reminder helps reinforce regular maintenance.Shaving and Beard MaintenanceThe lithium-ion battery delivers up to 60 minutes of cordless operation after approximately one hour of charging. A five minute quick charge provides enough power for one full shave. The click on beard styler and comb provide settings from 1 mm to 5 mm, while removing the comb allows 0.5 mm detailing around the beard, mustache, sideburns, and neckline.