OneBlade technology designed to trim edge and shave. Integrates a fast moving cutting (200x per second) with dual protection system. Edge it up with the dual-sided blade. Shaves but helps prevent irritated skin. Contours to your face. Blade only needs to replaced once every 4 months. Water resistant so you can use wet or dry and easily clean. LED Digial display shows battery level. 14 Length settings range from 0.4mm to 10mm. Rechargeable lithium-ion battery delivers 90 minutes of power after 1 hour charge. Includes charging stand.