Jabra 5393-829-309 Evolve 30 Ii Ms Mono Headset, Wired Headset, Design Over-the-head, Earpiece Monaural, Host Interface Mini-phone 3.5mm, Sound Mode Mono, Connectivity Wired. The Jabra 5393-829-309 Evolve 30 II UC Mono Wired Headset offers improved connectivity with the addition of a 3.5mm jack, allowing you to connect to your PC, mobile phone and tablet.