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Microphone does not pick up sound | Bose mobile in-ear headset v2
Select how the device is connected:
Using a wired connection
Remove and reseat the audio cable in the connected device.
On the connected device, disconnect the cable that connects to your headset then reconnect it to be sure it is fully connected and secure. If you rotate the plug in the jack and hear crackling or intermittent sound, there might be debris inside the jack or on the headphone plug.