QuietComfort® 20 Acoustic Noise Cancelling™ headphones – Samsung and Android™ devices

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Charging your headphones

Find out how to charge the battery in your headphones so you can use them on the go.

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.

Plugging in overnight will not overcharge the battery

Lithium batteries have a built-in auto-off feature when a full charge is reached to prevent the battery from being overcharged. Even while still plugged in, the battery level will have to drop below a certain point to trigger the charging again.

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