Female Jack: for connection by 2.1mm x 5.5mm male DC plug * Male DC Plug: 2.1mm x 5.5mm DC plug * 2.1mm cable length: 12 feet, AWG: 20 * 1.35mm plug converter set allows connection to 1.35mm x 3.5mm plug size device * This bundle only works with device with 2.1mm plug or 1.35mm plug. Not compatible with other size plugs