As Apple proved by removing the headphone jack from the iPhone 7, we live in an increasingly wireless world. While that decision remains controversial, few would argue the stage is a place where wires ...
【8H Working Time and 65ft Long Rang】: Wireless lapel microphone transmitter has built-in rechargeable battery with working time up to 8 hours. 65ft barrier-free effective distance & 0.009s delay in ...
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