Why in the loudspeaker can only put the TF card a few seconds, you are God
I am not very clear, because I have not used, the above answer, I hope to help you, I now use a victory E9M megaphone it, in particular, you go to the Internet to understand it,
The usual phone up to the maximum volume temporarily did not appear distortion phenomenon, the speaker is a student in our class to see me every time when the class shouted hoarse so when the teacher's day for me, as for winning this brand.
Okay, this microphone is not very clear. I am because I didn't use the above answer, I hope to help you, I now use a E9M victory megaphone, specific words you or go online to look at it, feel the microphone in sound quality gave me the first impression is quite sound big
