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Likely fix

Fix: Bluetooth microphone not working

A Bluetooth headset mic often fails because the app is using the wrong input, the headset is connected for audio output only, call mode is not active, or the Bluetooth profile is stuck.

Quick answer

Select the Bluetooth headset as the microphone inside the app, reconnect Bluetooth, and forget and pair the headset again if needed.

Important warning

Many Bluetooth headsets use lower audio quality when the microphone is active because they switch into call mode.

Try this

  1. 1 Make sure the Bluetooth headset is charged.
  2. 2 Disconnect and reconnect the headset.
  3. 3 Open the app's audio settings.
  4. 4 Select the Bluetooth headset as the microphone/input device.
  5. 5 Check system microphone permissions.
  6. 6 Turn Bluetooth off and on.
  7. 7 Forget the headset and pair it again.
  8. 8 If audio quality drops when using the mic, that is often normal for Bluetooth call mode.
  9. 9 Use a wired or USB mic if you need higher-quality microphone audio.

Common causes

Wrong microphone selected.

Bluetooth headset connected only for output.

Bluetooth profile is stuck.

Headset connected to another device.

App permission is blocked.

Bluetooth call mode quality limitation.

What to check next

  • Check app input device.
  • Check system input device.
  • Check whether the headset is connected to another phone or laptop.
  • Check whether forgetting and pairing again helps.
  • Check whether wired mic works better.

FAQ

Why is my Bluetooth mic not working?

The app may be using the wrong input, the headset may only be connected for audio output, or the Bluetooth profile may be stuck.

Why does Bluetooth audio sound worse when the mic is on?

Many Bluetooth devices switch to a lower-quality call mode when the microphone is active.

Should I use a USB mic instead of Bluetooth?

For reliable calls, recordings, or streaming, a USB or wired microphone is usually more stable and higher quality.

Related fixes

Fix: Microphone not working on Windows

A Windows microphone usually stops working because the wrong input device is selected, app permission is blocked, the mic is muted, or the audio driver is stuck.

Fix: Discord microphone not working

Discord microphone problems are often caused by the wrong input device, input sensitivity, push-to-talk, permissions, noise suppression, or headset/Bluetooth issues.

Fix: Microphone works in one app but not another

If the mic works in one app but not another, the microphone hardware is probably fine. The broken app likely has its own mute, input device, permission, or privacy issue.

Fix: Phone microphone not working on calls

A phone mic can fail on calls because Bluetooth is connected, the mic opening is blocked, the case covers a microphone, the phone app is stuck, or the microphone hardware is damaged.

Fix: Microphone not working on Mac

A Mac microphone usually fails because the wrong input is selected, app microphone permission is denied, input volume is too low, or a Bluetooth/headset device is being used instead.

Fix: Zoom microphone not working

Zoom microphone problems usually happen because Zoom is muted, using the wrong microphone, blocked by system permissions, or the headset/Bluetooth device is connected incorrectly.