Just noticed the Jabra Handset 450 thanks to @fabriziovolpe mentioning it on Twitter. Looks like it has been around in Cisco circles but I just noticed that Jabra seems to be noting is “works” (not certified) with Skype for Business now.
Here are some thoughts on this interesting device…
http://www.jabra.com/business/office-headsets/jabra-handset-450