- Confirm the headphones are connected to your smartphone via Bluetooth.
- In the Sennheiser Smart Control app, go to the headphone settings and make sure "Amazon Alexa" is activated for the voice assistance button.
- Check that the headphones are not already added as a device in the Alexa app.
- Refresh the device list in the Alexa app by swiping down.
- The headphones should now appear in the Alexa app device list.
Why can't the headphones Momentum 4 Wireless be added to the Amazon Alexa app?
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