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K821-3 UHF wireless microphone
UHF ultra-high frequency band, the transmission is more reliable, intelligent anti-howling.
The receiver has a built-in lithium battery that can be recharged.
Received over long distances, effective receiving distance within 50 meters.
Suitable for large and small stage, conference room, KTV entertainment venues, etc.
Frequency ：UHF 600~690 Hz
Handheld Material :zinc alloy
Directivity : Unidirectional
Frequency response: 50Hz-15KHz
Packing：1 set/color box, 20 boxes / carton