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Replacing the batteries | Bose A20 Aviation Headset
bose-a20-aviation-headset
Bose A20 Aviation HeadsetSold from 2010 - 2015

Replacing the batteries | Bose A20 Aviation Headset

To open the battery compartment, follow these steps:

Press down firmly on the battery compartment cover finger indent and slide the cover down. The cover is tethered to the module. Do not attempt to detach it.

The battery compartment cover is designed to remain securely closed. Additional force may be needed when pressing down and releasing cover.
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Replacing the batteries | Bose A20 Aviation Headset