Great Sony headphones, good for music or films. You can even use them to answer the phone as they have a built in mic. Has a USB rechargeable battery that lasts months!

Recently upgraded to some Bose so these are no longer needed.

30 quid.

http://www.rectatech.com/sony-dr-btn200-bluetooth-nfc-headset-black?___store=uk

Would these work with a PS4?

I am not sure as I don't have one. If it has Bluetooth then I don't see why not