Audio adapter Cable ** :
Macbook:
For a Macbook, it is necessary to use the included Audio adapter cable**.
In addition, it is important to connect headphones/speakers to the green Audio Adapter Cable, so that the microphone can work.
The microphone has as standard a 2.5 mm TRS jack (Jack divided in 3 parts) a Macbook does not work with this and needs a 3.5 mm TRRS (Jack divided in 4 parts).
Laptop:
Laptop has a combined audio input/output. For this it is necessary to connect the supplied Audio adapter cable**. Connect headphones/speakers to the Audio Adapter Cable, as well.
PC:
Normally has a mic input, plug in the microphone directly into this port. ( It is not necessary to connect the supplied Audio adapter cable. )