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Bose QuietComfort® 45 headphones

Sold from 2021 – present

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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:

  1. Connect the small end of the USB cable into the USB-C port on the right earcup.
  2. Connect the other end into a USB wall charger.
    • When the headphones begin charging, the status light blinks white for 10 seconds
    • When fully charged, the status light glows solid white
    • The headphones don’t play while charging
    • Allow up to 2 hours to fully charge the headphones



Hearing the battery level

Each time you power on the headphones, a voice prompt announces the battery level. When the headphone battery is low, you'll hear “Battery low, please charge now.”

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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