GWC AR2500-5M USB 2.0 Active Repeater Cable/USB Extender - New Extends length USB 1.1 or 2.0 device can be away from computer by 16 feet. Up to 5 AR2500-5M adapters can be used together to extend distance of USB device up to 80 feet. Passes USB power to USB device. High quality, well made product.