5399-829-209 Jabra HSC016 EVOLVE 30 UC MONO USB Headset
Jabra Evolve 20 MS Wired Headset, Mono Telephone Headset for Greater Productivity, Superior Sound for Calls and Music, USB Connection, All Day Comfort Design, MS Optimized (4993-823-109) : Amazon.ca: Electronics
Jabra Evolve 20 MS Stereo Model HSC016 Noise Canceling USB Headset 4999-823-109 706487014966 | eBay