Smart watch on us

How do I redeem this offer I tried and they have no idea what I’m taking about : 

Promotion Schedule

Smartwatch “On Us” – Up to $299.99 Discount 

Start Date: Aug. 23, 2023

End Date: Sept. 22, 2023

Eligible customers: Xfinity Rewards customers in the Diamond and Platinum tiers

Eligible smartwatches:

Apple Watch Series 7 Aluminum (41mm and 45mm)

Apple Watch Ultra

Apple Watch SE Aluminum 2022 (40mm and 44mm)

Apple Watch Series 8 Aluminum (41mm and 45mm)