Bluetooth 5.0 receives accompaniment, high-speed mission, low energy consumption, long distance, anti-interference. bluetooth can be connected to mobile phones, computers, and other devices with bluetooth mission function, and mit the accompaniment music to the receiver through wireless bluetooth, and then mit the accompaniment and human voice to the plugged-in audio device through the receiver. The receiver plug part can be folded 90° for easy angle adjustment. Built-in effect and professional anti-howling function, professional reverberation, solve the problem of dry singing voice. Using UHF, effectively preventing -frequency and anti-interference, with 50 adjustable channels, up to 50 microphones can be used at the same time, meeting the needs of large-scale performances, meetings, classrooms, etc. Super long battery life. The microphone uses a 2500 mAh built-in lithium battery, which can be for 3 hours and can last for 8 to 12 hours, which can meet the needs of a day's performance. Compatible with a variety of devices, plug and play. Can be connected to mobile phones, computers, tablets, , speakers, sound cards, amplifiers, etc. Kind tips: ① The microphone cannot be used directly on mobile phones, , computers, and other equipment. ② Directly used equipment: audio, live broadcast sound card, power amplifier, mixer, mixer, home theater, KTV set, large bus, etc. All devices with MIC/microphone/AUX jacks can be used. mitter parameters: Pointing characteristics:cardioid Rated voltage:3.0V Microphone core:dynamic microphone core Is it built-in battery:built-in lithium battery Charging socket:tpye-c Charging time:about 2-3hours Battery life:about 8-10hours Frequency band:UHF Working channel:50X2 Distortion:Less than 2% Delay:Less than 3ms Frequency response (range):50-15kHz Dynamic range: 100dB(A) Oscillation mode:crystal oscillation Carrie