240 Minute Cordless Run-Time and Mini USB Charging Lithium-ion battery delivers 4-hours of cordless run-time with a 2-hour rapid charge. Pass–through charging stand or universal mini USB charger for worldwide use. Removable Drop Top Removable drop top option for skeleton style design to expose the blade for cooler operation, better sight line, easier cleaning, and enhanced precision. Zero Gap Black Diamond Carbon Blade Fully adjustable blade can be easily zero gapped for the closest cut and finish. Highest quality Black Diamond Carbon DLC blade stays cooler, rust free, and sharper longer. Scientifically engineered to hit without irritation making the Absolute Hitter ideal for sensitive skin. The Total Package Supercharged Rotary motor cuts through any hair type in a single tap. Low battery notifications beep once at 10% battery life, twice when 5% battery life, and beeps three times when 3% battery life remains