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Charging your headphones | QuietComfort® 20 Acoustic Noise Cancelling® headphones— Apple devices

Charging your headphones | QuietComfort® 20 Acoustic Noise Cancelling® headphones— Apple devices

To charge the battery:

Connect a USB cable from the control module to a USB charger. The battery light blinks while charging and glows solid green when charged.
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Charging your headphones | QuietComfort® 20 Acoustic Noise Cancelling® headphones— Apple devices