Bose QuietControl 20, Care And Maintenance

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to switch to aware mode, press the mode button on the side of the remote. this will allow you
to hear some of the sounds around you, like traffic or airline announcements.
Recognizing the lights
Applies to:

QC20 noise cancelling headphones – Apple devices

QC20 noise cancelling headphones – Samsung/Android™ devices
Power/Battery Indicator
While using the headphones:

Green (solid) — Power on. More than 3 hours of battery life remaining

Green (blinking) — Power on. Less than 3 hours of battery life remaining

None (Off) — Power off or battery depleted
While charging the headphones:

Green (solid) — Charging complete

Amber (blinking) — Charging

Red — Error
Mode Indicator

Green (On) — Noise cancelling mode on

None (Off) — Aware mode on
Wearing your headphones
Applies to:

QC20 noise cancelling headphones – Apple devices

QC20 noise cancelling headphones – Samsung/Android™ devices
There are several ways you can adjust your headphones to provide additional comfort and
stability. Using the adjustment slider and clothing clip, you can customize how you wear your
headphones.