The plantronics mo300 enabling cable for intensive phone users wanting a professional headset for use on theirmobile phones users need the professional headset for all day comfort and absolute audio qualitythe cable has a mobile connector on one end and a plantronics qd with integrated hookswitch controlon the other endcompatibility nokia phones such as nokia 6086 6085 6151 7360 7373 6131 e50 n73 3250 n93i e63 3250 n73