Qball
Throwable Microphone Ball
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Hunter's comment
What is Qball?
It's a throwable microphone ball, :joy: - LOL yes, you don't hear wrong, this is an intelligent microphone that you can throw at will, without worrying about being damaged.
Well, the advantage is, you can make interactions between the speaker and the audience, or the teacher and student better.
I am sure 
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