Headphone adapter 1x mini jack 4pin -> 2x mini jack 2-pin
Used to connect headphones with a microphone with two mini jacks (3.5mm) to devices (in / out) with 4-pin sockets.
If your notebook, tablet, phone or other device has only one 4pin socket and the headphones have two mini jacks, you can use this adapter to fully use your headphones with a microphone.