From Sudobility: Touch Mic application, which turns your iPhone into a microphone. Connect the speakers to your iPhone's earphone port with compatible adapter, talk into the iPhone and be heard. Option to either touch screen to mute, or touch screen to talk. Possible occasions are weddings, KTV, noisy meetings when you need to make an announcement, public speech etc. Or, simply use the standard iPhone earphone to hear what your voice sound like to other people, which is quite different from what you hear yourself.
read more +