Always hard to tell with Costco as they don't have a lot of details, but they look like these version
https://www.bose.com.au/en_au/support/products/over_ear_head…
Retailing other places $279
Always hard to tell with Costco as they don't have a lot of details, but they look like these version
https://www.bose.com.au/en_au/support/products/over_ear_head…
Retailing other places $279