Hello, I had purchased the new branded Sony Ericsson Xperia Play mobile phone. The configurations of this cell phone is to be so brilliant that is LED touch screen and 480 x 854 pixels display, 400MB internal memory, micro SD card slot etc. There is nice headphone come with this cell phone which is nicely connected. Whenever I try to connect the other headphone to the cell phone then it gives unsupported error message. Please tell me the basic reason for this trouble.