The Rechargeable OneBlade is capable of trimming, edging, and shaving hair of any length. It ensures comfortable shaving by not getting too close to the skin. It operates on voltages ranging from 100-240 Volts and has a maximum power consumption of 5.4 W. The Pro version is more advanced than the original OneBlade, featuring a powerful Li Ion battery and 14 length settings. It can be used for wet or dry shaving and has a battery charge time of 1 hour. The replaceable blade has a lifespan of up to 4 months, based on 2 full shaves per week (actual results may vary). It comes with a single blade.