Made of up to 250,000 micro-tech beads per square cm, Nano SkinGlide coating improves gliding on skin by up to 30%*, 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 cutting power for an effortless and gentle shave. Motion-sensing technology tracks how you shave and guides you to an improved shaving technique with fewer passes. USB-A charging cable included (wall power adapter not included). Fully flexible heads turn 360° to follow your facial contours. Experience optimal skin contact for a thorough and comfortable shave.