Be. means Beyond Electric and has four great qualities. Battery & electric-free – this is a kinetic storage device, it gets to work with two simple twists, giving you 80,000 tartar fighting brush strokes. Sustainable – protect the environment with 100% biodegradable brush heads and recyclable build. Smart technology – Be. sensor operates at the ADA recommended precise tartar-fighting pressure of 120 g, giving you Hollywood’s smile. Travel-friendly – it goes with you wherever you go, without cables and worries.