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There is also a four-digit DOM (Date of Manufacture) code on both earbuds. Remove the eartips to view the codes. They are a combination of letters and numbers.
Serial number location
Serial numbers contain important information about your product, including model number and DOM (Date of Manufacture). The serial number can be found on your product, product packaging or app (if applicable).
SoundSport Free and charging case serial number and date of manufacture locations:
Headphones
When connected to a mobile device, you can view the serial number in the Bose Connect app. In the app, select your product and tap Product Details.There is also a four-digit DOM (Date of Manufacture) code on both earbuds. Remove the eartips to view the codes. They are a combination of letters and numbers.
Portable Charging Case
The charging case serial number is found inside the left charging port above the QR code.
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