Senheiser told me one of their bluetooth models will work but I don't want bluetooth, though this is something to investigate if the quality on the other end is good--I have a hard time believing that as a lot of the bluetooth headsets put tiny microphones into the headphones. That has to suck for a listener versus a boom mic. I could be wrong. Also hate going through another step of pairing a device w/ the phone. Just want to plug something in.
Plantronics gave me nothing, Samsung and Sprint also came up with nothing in the binaural, over-the-ear category.
The Passport does appear it will work with a cable converter. Wireless Emporium also had a model it claims it is compatible.
For future reference, for anyone reading, the Samsung 3.5 mm jack on the Galaxy S2 is configured as follows:
Tip = Microphone
Ring= Ear
Rim= Ground
Confirmed this w/ Samsung.
On another note, there appear to be some incompatibility issues between headsets designed for three-button configurations w/ the iPhone and the Android. AiAiAi tracks, which makes a highly rated pair of OTE headphones w/ 3-button controls for the iPhone, told me they would be working on an adaptor for the Android. I have also seen apps to make the Android use 3-button headset functionality, but I am reluctant to go through the hassle of ordering the phones and checking compatibility w/ the free app. Will probably order the Passport and see how that works. ...
Overall, this was a *HUGE* pain-in-the-ass issue for the Android. They've got earbuds, bluetooth clip-ons--everything *but* over-the-ear models with boom mics. Granted, the OTE models are more used in call centers, but these days, I am using my cell as my primary phone and need it for extended conversations. So there...