Barrier-free Effective Distance. - 50ft barrier-free effective distance & 0.009s delay in transmission allow you to move around.
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Lightweight and Easy-taking. - Its time to abandon the big and heavy video camera,our lapel Microphone is very lightweight and small.
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Long Stay Time. - After chraging fully,it can work for 5-6 hours.It is enough to do many thing ,such as interview.vlog,Teaching .
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