If you don't have a headset, you can use the Speakers + Microphone. But in this case you may experience a situation where your partner's voice or your voice echoes.
>Finding connection terminal
Find the audio connection terminals behind the computer. Refer to the picture. 1) Speakers connection: Usually it is green, place speakers or headset connector here. 2) Microphone connection: Usually it is pink, place microphone or headset connector here.
>Connecting Head set
Connect speaker connector on the speakers connection terminal, and microphone connector on the microphone connection terminal.
>Audio Setting Wizard
After running TT4YOU, click setting>AUDIO. You can check if your headset is connected properly. You can refer to User guide>Setting for details.