10m USB 3.0 Active Extension Cable - M/F Extends a USB 3.0 device connection by an additional 10m (33ft) or cascade up to 2 levels for 20m (65ft) Powered directly from the USB port or through the included Universal external power adapter Backed by a StarTech.com 2-year warranty and free lifetime technical support Fully shielded for error-free connections Plug-and-play, no driver required USB bus-powered Universal external power source also included Blue LED indicator x1 for Extension Cable and USB port connection status monitoring