First install the battery and push the switch to the top.
According to Baidu Encyclopedia information, you must first install the battery, push the switch to the top, the middle light will flash, and the microphone volume and master volume switches must be turned on. If the speaker can play music normally but there is no sound from the microphone, it may be that the connecting cable between the power amplifier board and the microphone receiving board is loose, just connect it.
Senko rod speakers can capture any sound details of music and movies, giving you a brand new sound experience.