Megaphone!

Megaphone now supports bluetooth. Megaphone is a must have app for your iPhone Megaphone transforms your iPhone into an instant Microphone, PA system or Megaphone when you plug it into amplified speakers. If you are at a party and playing music from your iPhone on the stereo, you can just launch Megaphone, and use your iPhone as a Microphone as you make a speech You will never need to hire a microphone again.-Just plug in a stereo or amplified speakers into the headphone jack, launch Megaphone, and start talking Its that easy.-Plug the iPhone into an FM transmitter for a wireless microphone-Great for speeches at parties or functions-Full instructions provided