Yes, I've seen the press release that went out back in March and this is the answer I got from Jabra with regard to their plans on releasing it:
Thank you for choosing Jabra North America!
The SP500 has not been released yet. The latest information that we have
is showing mid-July, but no exact date.
If you have any further questions we are available Monday-Friday 8:00am
to 8:00pm EST.
Jabra, North America