Plexus hi speed usb 20 extention cable black 3m the plexus high speed usb extension cable extends the length of your usb device cable to your hub pc or mac perfect for devices with short cables specification value product description plexus high speed usb extender 3 m type usb extender length 3m connectors 1 x 4 pin usb type a male connectors other side 1 x 4 pin usb type a female compliant standards usb hi speed usb manufacturer warranty lifeti