3.5mm to MINI 2.5mm SOCKET STEREO HEADPHONE PLUG to SMALL SIZE FEMALE ADAPTER
3.5mm Stereo 3 pole connector suitable for headphone inputs. 3.5mm Stereo Jack plug to 2.5mm Stereo Jack Socket. 3.5mm Plug to 2.5mm Mini Socket. Connect the smaller 2.5mm plug into the standard 3.5mm socket.