Defender HEADSET JACK 63012 is an audio adapter for connecting equipment with separate headphone and microphone plugs to a device with a combined headset socket. It brings both connections together in one plug.
The adapter has a 3.5 mm TRRS male plug at one end and two 3.5 mm female sockets at the other, one for audio and one for a microphone. Its black cable is 0.15 m long.
Defender describes it for connecting equipment with separate TRS plugs to a laptop with a combined TRRS audio jack. The adapter is sold separately from the equipment it connects.