electronic device black, grey, or metallic colors wires and cables buttons or knobs a display screen a power cord input ports for connecting to other devices a remote control (depending on the type of apparatus)
apparatus which has electronic device apparatus which has black, grey, or metallic colors apparatus which has wires and cables apparatus which has buttons or knobs apparatus which is a display screen apparatus which is a power cord apparatus which has input ports for connecting to other devices apparatus which is a remote control (depending on the type of apparatus)