This is a Case Logic model 70416CLW universal wireless hands-free cellular headset.
Factory sealed, retail.
Add hands-free to your cellular phone right now, today, even if you don't have a bluetooth enabled phone (or don't want to spend the big money for a bluetooth receiver). This kit is great because it works with any model phone with a 2.5mm jack.
Retail price is $100. Get it a lot cheaper here!