Jabra Engage 55 Headset - Stereo - USB Type AJabra Engage 55 Headset Stereo USB Type A Wireless DECT 492. 1 ft (150 m) 40 Hz to 16 kHz On ear Binaural Open Noise Cancelling, Uni directional, MEMS Technology Microphone Black VPN: 9559 450 125 SKU: AC598995 UPC: 181B6A Open back headset gives you a more speaker like listening experienceBoom mic lets you chat with your friends & family on Skype and on multiplayer network gamesHear low subs and soaring vocals with a frequency range of sound from 40