Former user9 years ago000What is the diameter of the jack? 2.5 or 3.5 mm?Show in original language (German)Stibbe779 years ago • purchased this product+110purchased this productThe headset is connected to the computer via USB. It does not have a jack plug!Show in original language (German)CommentAnonymous8 years ago • purchased this product000purchased this productCan I somehow limit the ambient noise? My conversation partner hears every movement, shifting of the headset, biros, etc.Show in original language (German)Comment1 comment