Replacing the battery in your product | Custom QC®25 noise cancelling headphones

Note: When storing your product for an extended period of time, removed the battery.

1. Tilt the right earcup inward to access to the battery compartment door
2. Gently press and lift the tab on the battery door to open it
3. Remove the battery by tipping the headphones so the battery slides out
4. Insert a new battery (positive end first)
5. Close the battery door by gently pressing the tab on the door until it clicks into place.

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https://youtu.be/LvzkccQky-o