This item is a good choice for your singing or giving a speech. It will bring you a good experience of singing a wonderful song in front of your friends. The main part is the condenser microphone and other parts are supports. The Condenser Microphone only works with the device that could provide enough power (Voltage Required: 5V-9V). Besides, if you want better sound effect, a sound should be used. When recording, please put the microphone away from the amplifier to prevent recording noise due to amplifier.