Jabra M5390 Wideband wireless Bluetooth Headset review

If you’ve read my previous blog post about wideband audio (and yeah, I know, I haven’t finished the series of posts about that, I’ll get around to it honest!) you’ll know I have an obsession with wideband telephony. So when a Jabra reseller offered to give a few of us at work some wireless headsets to try out I was keen as!