Stage Ninja USB-40-S Premium USB (2.0) cable and connectors. The 40 ft. retractable end has a premium female USB (2.0) connector/repeater. Pull cable to desired length (it locks in place); give the cable another pull to unlock. Cable instantly retracts into protective housing. The static male end is 3 feet. The durable black powder coated steel housing comes standard with a flat mounting strap that can be fastened to a horizontal surface like a cabinet, or rack mount. A vertical mounting bracket kit is available. Eliminates cord winding, cord tangles and stage/workspace clutter with instant cable retraction.