Jabra Engage 50 II Headset - Mono - USB Type CJabra Engage 50 II Headset Mono USB Type C Wired 50 Hz to 20 kHz Over the head Monaural Supra aural MEMS Technology Microphone VPN: 5093 299 2259 SKU: AC288449 UPC: Loading These supra aural Engage 50 II 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 your tape recordings or use them when listening to telephone calls on Skype with these mono sound Headset