Emplacement du SERIAL NUMBER | Bose QuietComfort Ultra Earbuds (2nd Gen)
Emplacement des numéros de série des écouteurs QC Ultra
View the Earbud Date Code
Remove the stability band from the earbud. The date code is located on the earbud in the wide area near the microphone.
Important: Please ensure the stability band is replaced and aligned correctly to avoid any issues related to power, charging the battery, microphone and audio performance. See Changing the stability bands for complete instructions.
View the Charging Case Serial Number
Remove the earbuds from the charging case. The charging case serial number is located below the earbuds status light inside the earbud well.
Checking the Serial Number in the Bose App
In the Settings menu, click "Technical Info" to see the serial number.
