Now with a removable battery for quick and easy replacement! Heavy-duty, detachable blade clipper in a cordless design delivers a 3-hour run time on 2-hour charge. Lithium-ion power mated with powerful rotary motor to cut any hair type. 5 speeds: Adjustable from 2,500 to 4,500 strokes per minute. Works with all UltraEdge, CeramicEdge and Showedge blades. Equipped with an UltraEdge Super Blocking blade. Packaged in a hard storage case. Additional batteries are sold separate.