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QuietComfort® 20i Acoustic Noise Cancelling® headphones — Apple® devices
Sold from 2015 - 2015
TroubleshootingSetup and UseManualsParts/AccessoriesVideos Community
- Sound troubleshooting
- Device is not responding to remote button commands
- Remote button troubleshooting
- Microphone is not working
- Power troubleshooting
- Microphone troubleshooting
- Poor or no noise reduction
- No audio from microphone
- Poor sound quality
- My headphones will not turn on.
- Why is the LED light on my headphones blinking?
- My headphones pop when I power them on. Is this normal?