Wireless handheld microphone for external speakers

Bietrun wireless microphone with high sound quality with the possibility to add echo and other effects easy to use suitable for teaching, training, meetings, and others long-range wireless microphones with a length of 30 meters: ● Built-in UHF wireless core with a new design, with the possibility to upgrade the transmission distance to 30 meters. ● Improved signal stability, without delay, without radiation, anti-howling, anti-interference, with a fixed frequency. Wireless microphone system with echo/triple/bass: The wireless karaoke microphone has a control button for echo, triple, and bass, allowing you to choose different sound effects depending on the acoustics. Connection and operation: ● The microphone and receiver will be connected automatically. Use the receiver equipped with a 1/4 inch microphone input, such as a speaker, amplifier, public address system, sound system, mixer, audio interfaces, truck speaker system, dome speaker system, etc. Battery and screen: ● The rechargeable receiver is equipped with a rechargeable lithium-ion battery with a capacity of 1200mAh, working up to 7 hours or more, with a charging time between 3 and 4 hours. ● The microphone does not come with any batteries, and we recommend using two AA alkaline batteries from Amazon. ● The screen immediately displays battery power and signal strength, so do not worry about sudden shutdown. Optimal performance for dynamic microphones: ● Dynamic microphone: Professional built-in dynamic microphone core (decibel value: 95 dB / impedance: 600 ohms / frequency response: 50 Hz - 16 kHz). When in use, the mouth should be close to the top of the microphone to ensure a loud sound. Suitable for teaching, training, conferences, speeches, outdoor activities, mosques, family events, etc. 15 adjustable channels: ● Plug and play, automatic connection, press the microphone button to turn it on. ● 15 adjustable frequency channels per microphone. If multiple microphones are used at the same time or noise occurs, press the button at the end of the microphone to adjust the channel. (Please keep the microphone channel numbers distinct to avoid interference).