Advanced automatic frequency technology, even if the transmitter and receiver frequency is adjusted disorder, you push the button lightly, it will lock the transmitter frequency automatically and adjust to the same with receiver, easy to use

Special high-low power switching function that allows you to use it well not only in places of assemble and other activities(high-power transmitter), but in such as classrooms, KTV rooms(low-power transmitter), saving battery power

Special transmitter and receiver lock function to prevent the use of misuse

Special receiver sensitivity adjustment function, the sensitivity can be adjusted according to increase or add received from the anti-jamming capability

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