Visit Amazon sites : http://www.amazon.com/gp/product/B004L62KQQ?tag=gallianostore-20<br /><br />Plantronics PA50 Wireless Mic Calisto for 820/830 84160-01<br /><br />Wireless Bluetooth lapel microphone for Calisto 800 series <br />Dimension 675Lx55Wx2H <br />Weight 04 lbs
