Introducing the ultimate in cordless clipper power, is the new Master® Cordless Lithium-Ion Clipper by Andis. This professional adjustable blade clipper provides the performance and quality of the original Master® Clipper plus the convenience of lithium-ion battery technology which delivers over 90 minutes of runtime on a single charge and cordless design. This clipper uses a powerful, high-speed motor featuring constant speed technology running at a true 7,200 strokes per minute designed to prevent dragging and stallingwhile cord/cordless operation.