Ok I registerd my Bluetooth witless head set I read something that said got to sound settings so I did and it has hdmi , optical digital and audio input connector / scart/ av multi ? Which one do I do? I'm trying to talk on mw3 I even went to voice changer to see if it was working but it's not please help and I'm only 13 lol so. Last person didnt help so I'm posting it again and 13 Isn't to young to be playing and yes I'm a girl !