Abstract: A multifunctional Bluetooth microphone includes a handle having a microphone head formed at one end to receive a sound signal; a device mounting unit coupled to the handle to be adjacent to the microphone head, equipped with Bluetooth technology, and provided with a high-power speaker on one side; a digital signal processing unit provided in the device mounting unit to add an additional function of at least one type of echo mode or at least one type of voice modulation mode to a voice of a person by performing digital signal processing on the voice; a function input unit provided in the device mounting unit for operation of the digital signal processing unit; and a microphone controller for controlling operation of the digital signal processing unit on the basis of an input signal of the function input unit.

Abstract: Disclosed herein is a wireless microphone system including a multifunctional Bluetooth microphone with a touch screen and a two-channel UHF (Ultra high frequency) Bluetooth microphone receiver receives a voice signal by performing a short-distance communication with the multifunctional Bluetooth microphone with a touch screen to transmit the voice signal to a third device for playback.

Abstract: Disclosed herein is a multifunctional Bluetooth microphone and a multifunctional Bluetooth microphone with the touch screen receiving a voice signal by performing short-range communication and the wireless microphone system including a two-channel UHF (Ultra high frequency) by transmitting the voice signal to a third device for playback.