Thanks for reaching Microsoft Community, Ethan_DB. We're very sorry to learn that the band of your Surface Headphones 2 physically broke.
In this case, it can be considered as physically damaged or hardware problem. For any hardware related concern, repair or replacement will be offered. Kindly contact Microsoft Surface Support to seek exchange options for your device. If you're located outside United States, see Global Support. Replacement cost applies to out of warranty device and for further service.
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