Q: iPad Air 2 and Sony Wireless keyboard for PS3

Hello Samuel,

Thank you for using Apple Support Communities. 

I see you are wanting to use a Sony Wireless Keyboard for a PS3 with your iPad Air. I have a couple of articles that might be of use for you. 

First this article on setting up and using Bluetooth accessories:

Set up and use third-party Bluetooth accessories

And there is this article providing the supported Bluetooth profiles:

iOS: Supported Bluetooth profiles

Regards