Open the Alexa app
Tap Devices
Select Echo & Alexa
Choose your device
Tap Settings
Tap Device Options
Turn off Microphone
Unplug the device to fully power it off
To disable Alexa Voice Purchasing, open the Alexa app
Tap More
Tap Settings
Tap Account Settings
Tap Voice Purchasing
Turn it off
To disable wake word detection, turn off the microphone button on the device
To stop Alexa from listening to recordings, open the Alexa app
Tap More
Tap Alexa Privacy
Tap Manage Your Alexa Data
Adjust your privacy settings
To delete voice recordings, open the Alexa app
Tap More
Tap Alexa Privacy
Tap Review Voice History
Delete recordings