Comprehensive Cable 40' Pro AV/IT Active USB A Male to B Male (USB2-AB-40PROA) Professional grade heavy-duty construction USB A Male to USB B Male Sure Length indicators on the connector heads make it easy to organize for installations USB 2.0 compliant up to 480mbps, backward compatible with USB 1.0 standards No external power required (Pulls power from source) Plug-and-play, no additional drivers required