Jabra Biz1900 Duo Triple Play: Dual Audio Headset w/Quick Connect, 3.5mm jacks, and USB Connector Noise-cancelling Jabra Biz1900 duo headset with flexi-mic & QD jack Includes QD 3.5mm RCA-type audio cable to connect to PC/Mac audio ports Includes USB 2.0 interface to connect to virtually any USB 2.0 device