Bose QuietComfort 20 Wired QC20 Noise Cancelling Headphones Black - IOS/Android

Bose QuietComfort 20 QC20 Wired Headphones Noise Cancelling Black - IOS/Android. Bose QuietComfort 20 headphones. Could be found on google, search "Bose QuietComfort 20 Headphones Manual". User Manual.

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