25m usb 20 active extension cable mf extend the distance between a computer and a usb 20 device by 25 meters usb bus powered universal external power source also included blue led indicator x1 for extension cable and usb port connection status monitoring the usb2aaext25m 25m active usb 20 extension cable offers one usb a male connector and one usb a female connector and provides an active extension of usb 20 devices of up to 25 meters 80 feet an all in one cable for overcoming distanc