6399-829-289 | Jabra Headset Evolve 40 UC Duo USB-C, Evolve 30 II, Stereo, On-Ear, 20kHz, USB, Schwarz | Distrelec Schweiz
Headsets for PC/Laptop and mobile device use - Jabra Evolve 40 and 30 II - YouTube
Best Buy: Jabra Evolve 40 Stereo On-Ear Headset Black 100-55910000-02
Jabra Evolve 40 UC Mono Headset (6393-829-209)
Jabra Evolve 40 UC Mono USB Headset w/ Integrated Busy Indicator | Certified for Unified Communications, VoIP softphones, mobile phones and tablets | 6393-829-209