.3 Please note the receiver is inserted into the MIC of the audio device, please do not confuse the MIC hole and AUX hols. 2. With distinct howling 2.1. Please do not point the microphone toward the speaker and the distance between microphone and speaker should be about 3M; 2.2. Please turn down the volume to avoid howling in a small room. Last but most important If you have any problem, pl quickly for you.
