AmazonBasics B07QH5MDTS Bedienungsanleitung Seite 6

For Windows-OS:
Operation
Volume control
• To turn the volume up, press the volume up button (E).
• To turn the volume down, press the volume down button (F).
• To mute/unmute the headphones, press the headphone mute button (D).
Muting the microphone
• To mute/unmute the microphone, press the microphone mute button (C).
Microphone mute indicator is on, microphone is on. Microphone mute indicator
flashes, microphone is muted.
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