The pro series usb extension cable extends the length of your usb device cable to your hub pc or mac perfect for devices with short cables molded strain relief and pvc overmolding to ensure a lifetime of error free data transmissions 10 ft usb extender 4 pin usb type a m 4 pin usb type a f meets all usb specifications comes with a belkin lifetime warranty complies with fully rated cable specifications reducing electromagneticradio frequency interference emirfi