USB 2.0 Active A Male to B male Cable is a bus-powered cable that can be used to increase the length of a device cable without the worry of signal loss and potential performance problems.It contains active electronics which boost the USB signal for maximum reliability and performance over extended distances.It make your PC to connects any USB device with type B female port up to 15m(49ft), such as scanners, printers, digital camera and other USB peripherals.