Bose QUIETCOMFORT ULTRA Mode D'emploi page 45

SERIAL NUMBER LOCATION
The serial number is located inside the left earcup under the scrim. The scrim is the
inner screen that covers and protects the components inside the earcup.
1. On the left earcup, gently pull one area of the cushion away from the earcup until
all six tabs around the inside rim of the earcup release.
2. Grab the scrim at the top edge and gently peel it away to view the serial number.
CAUTION: Be careful not to press down on or remove any other components
inside the earcup as this could damage the headphones.
Scrim
CA RE AND M A I NTE N A NC E CA RE AND MA IN TE N A NC E
012345Z03650001AE
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4 5 E N G
012345Z03650001AE