Philips Norelco Shaver 7200, Rechargeable Wet & Dry Electric Shaver with SenseIQ Technology and Pop-up Trimmer, S7887/82Made of up to 250,000 micro tech beads per square cm, Nano SkinGlide coating improves gliding on skin by up to 30 percent , to minimize irritation. With up to 90,000 cutting actions per minute, the SteelPrecision blades shave close, cutting more hair per stroke. The 45 high performance blades are self sharpening and made in Europe. The intelligent facial hair sensor reads hair density 250 times per second. The technology dynamically auto adapts