To select a different microphone or speaker for the Razer Blade when there are multiple audio devices connected to the laptop, follow the steps below:
- Click on the Speaker icon on your system tray
- Expand the options by clicking the device name.

- Select the mic or speaker you want to use.

You can also do the following steps:
- To change the speaker, right-click on the speaker icon in the system tray and go to Sounds > Playback.

- Select the speaker you wish to use and click “Set Default”.
- To change the microphone, click the “Recording tab” and select the microphone you wish to use. Click “Set Default”.

To adjust the sensitivity of the microphone, follow these following steps:
- Right-click the speaker icon and select “Recording Devices”.
- Right-click on the selected microphone and select “Properties”.

- Click on “Levels” tab and adjust the slide bar to adjust the sensitivity of the microphone.

- Click “Apply” then “OK” to save the changes.