Bose QuietComfort 35 II Charging Guide

Charging 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.

• While charging, the battery indicator blinks amber. When the battery is fully charged, the battery indicator glows green.
• The headphones do not play while charging

Charging Time

Allow up to two hours to fully charge the headphones.

• 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 located on the right earcup.

Status Indicators

The Bluetooth and battery indicators are located on the right earcup.

Bluetooth Indicator

Indicator Activity System State
Blinking BlueReady to connect
Blinking whiteConnecting
Solid white (10 seconds) then
powers of

Battery Indicator

Indicator ActivitySystem State
Solid greenMedium to full charge
Blinking amberCharging
Solid amberLow charge
Blinking redNeed to charge
Solid redCharging error – contact Bose customer service

Note: If connected to an Apple device, the device displays the headphone battery level
near the upper right corner of the screen and in the notification center.

Bose QuietComfort 35 II User Manual