Can anyone hook it up with an Xbox code?

What is your preferred choice off tennis ball to use as i'm looking for them for my dogs are proper tennis balls last much longer than any other imo Thank you

Links as to where to buy would be ...

This has been a long time coming, but better late than never right?
Thanks for the support Rodent! I always get an instant response from you whenever I need help with something. Oh and do let me ...