The little bee megaphone doesn't sound

I have a little bee speaker. I can put on the microphone. There is no sound. It can only be audible when charging. What's the reason? Hope everyone can find out the reason for me, thank you

Answer:

2, if the sound is silent. Check that the microphone is damaged and is generally vulnerable to interfacing.Are you satisfied with the above answer?

Depends on the specific circumstances. Are you playing USB without a sound or using a microphone without a sound? Horns are not easy to break.1, if USB can not play, the motherboard may be broken, to repair;

Are you playing USB without a sound or using a microphone without a sound? Horns are not easy to break.