To allow a device to hear you and for the device to transmit the sound nearby
Typical microphone has no volume adjustment, it can be adjusted in electronic device where microphone is connected.
A typical price for a Motorola radio microphone would be around twenty dollars. Depending one where one goes though, one can buy a radio microphone as cheap as 11.99.
the use of a microphone is to speak louder
Any USB Microphone
People can make use of harmonica microphone when singing by holding the microphone if it is a hand held harmonica microphone or using a stand to bring the harmonica microphone to your height making it easy to use whilst singing.
the use of a microphone is to speak louder
yes you can i think.
apple microphone
You can use the microphone with all guitar hero games.
AKG 220 Condenser Microphone
To tell you the truth i am wondering too how to use the microphone. But i think that there is a program which can make the microphone sound like a karaoke... I think....
You should be able to use a singstar microphone with band hero. The developers designed the game to support any usb microphone.