Plantronics on Monday introduced .Audio 85, a folding headset that uses Digital Signal Processing technology for better full-range stereo sound and a QuickAdjust microphone for use with Voice Over IP applications, speech recognition and recording software. It features an adjustable headband, swivel-mounted ear cushions and USB connectivity. .Audio 85 comes with a leatherette carrying pouch and sells for US$79.99. A product page was not available on the Plantronics Web site as The Mac Observer posted this article.