B AT T E R Y C H A R G I N G
Charge the headphones
1. Plug the small end of the USB cable into the micro-USB connector on the
right earcup.
2. Plug the other end into a USB wall charger or computer that is powered on.
Note: While charging, the battery indicator blinks amber. When the battery is fully
charged, the battery indicator glows green.
Charging time
Allow up to two hours to fully charge the headphones.
Notes:
• When connected wirelessly, a full charge powers the headphones for up to 20 hours.
• When connected using the audio cable, a full charge powers the headphones for up
to 40 hours.
Hear the battery level
Each time you power on the headphones, a voice prompt announces the battery level.
When the headphones are in use, you hear "Battery low, please charge now."
Note: To visually check the battery, see the indicator l ocated on the right earcup. For
more information, see "Battery indicator" on page 21.
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