Good deal on a quality build headset. Not the greatest saving in the world but cheapest on the internet right now.
Advanced USB audio control box with built-in DSP sound card
7.1 virtual surround sound
PC, Mac, PS4, Xbox One and Mobile Compatibility
EDIT: Gunmetal version available for slightly cheaper at argos (if you can get any stock): http://www.argos.co.uk/product/5558409