Jabra ENGAGE 40 Headset - Stereo - USB Type AJabra ENGAGE 40 Headset Stereo USB Type A Wired 50 Hz to 20 kHz Over the head Binaural Supra aural 5. 2 ft (1. 60 m) Cable MEMS Technology Microphone VPN: 4099 410 279 SKU: AC829752 UPC: 706487022442 These supra aural Engage 40 give you the comfort of portability Hear low subs and soaring vocals with a frequency range of sound from 50 Hz 20 kHz Listen to distinct sounds from both the speakers in stereo sound mode