This auction is for a $10 iTunes gift card that can be redeemed with the iTunes app.
The gift card can only be redeemed with the US version of the iTunes app.
I will usually respond via Ebay message in less than 24 hours.

How to redeem your iTunes gift card:
1) Open iTunes® Store.
2) Scroll to bottom and click or tap Redeem.
3) Enter your gift card.