SE110MPA Sound Isolating Stereo Mobile Headset Premium stereo mobile headset features SE110 earphones and the popular Music Phone Adapter (MPA). Compatible with Apple iPhone, Blackberry Curve and 3.5mm - 4 pin music enabled phones. $154.99 More info Music Phone Adapter The MPA converts Shure Earphones into a stereo mobile headset. Compatible with all Shure earphones and select music enabled p