Answer:
exchange or money
Explanation:
here is what i would use as a format for the customer service box.
Hello (instet company name/sellers name),
I bought your (insert headphone model type, and what color if it was an opition, then with the box code and location code),
I would like either an exchange or money back, as the pair of headphones was expenisve for me. I found the headphones to be quiet fraglie and no longer connect to my (Apple or Andriod phone) via. BlueTooth,
I ordered them online on (instert webside name/address), I hope we could reslove this issue in regards, (insert name)
sent from my (insert name of the device).