Engadget just digs this up from the FCC site, so I guess Ety8 isn't the big seller Ety was hoping for after all?
"...The high-end headphone outfit has another Bluetooth product in the works, though -- the ER-89 "etyBlu" just hit the FCC's wires... We couldn't find conclusive evidence in the documentation that we're looking at a stereo headset here; theoretically, it could just be a mono product for calls, but we're encouraged by a brief mention of listening to music (who wants to blast tunes into one ear?) and the fact that the ety8's model number is ER-88..." as quoted from Engadget.

"...The high-end headphone outfit has another Bluetooth product in the works, though -- the ER-89 "etyBlu" just hit the FCC's wires... We couldn't find conclusive evidence in the documentation that we're looking at a stereo headset here; theoretically, it could just be a mono product for calls, but we're encouraged by a brief mention of listening to music (who wants to blast tunes into one ear?) and the fact that the ety8's model number is ER-88..." as quoted from Engadget.