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Serial number location | Custom QuietComfort® 35 wireless headphones II
custom-quietcomfort®-35-wireless-headphones-ii
Custom QuietComfort® 35 wireless headphones IISold from 2017 - 2021

Serial number location | Custom QuietComfort® 35 wireless headphones II

Serial number location:

The serial number is found in the right earcup beneath the scrim. With your headphones unfolded, gently peel back the scrim from the upper-right to view the number. Be careful not to press down on or remove any other components inside the earcup.


Use the Bose Connect app to locate the serial number.

While your product is connected to your mobile device, you can view the serial number in the Bose Connect app. In the app, go to Settings > Product Info > Serial Number.

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Serial number location | Custom QuietComfort® 35 wireless headphones II