タイトルまたは説明

BK****0 Two channel wireless microphone
Technical Parameters
Especially design for the Karaoke,*5 sets can use at the same time 
2 Channel UHF wireless systems,each channel **0 optional frequency
With digital code locked technical ,effective isolate the disturbing 
Can match with handheld ,belt-pack,headset to use,transmitter can change to use
Frequency Range:UHF******1MHz(depend on applicable country regulation)
Frequency Stability:±0.**1%
Maximum Frequency Deviation:±*0KHz
Signal Noise *:* *(*):*%@********************