Wireless Microphone

Description

This device uses UHF wireless communication technology
The video-taking people can communicate with the person in scene and make the record for the sound Spec:  Built-in 800mAH battery, using for 5 hours 
          Working current: 150-170mA
          RF requency: 570-597MHZ
          Number of channels: A/B each 32 channels available
          50-1500HZ
          Audio frequency response: 50-15000HZ
          Noise: less -70dB
          S/NO.: more than 72 dB
          Working time: 5 hours 

          Working Distance: more than 20 meters, no intererence open space to 50 meters                                                                                                                                                               

Item Size: 62*48.5*17 mm for transmitter & receiver 

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