karaoke party mic transmitter and receiver

{"cid":"91223065","title":"797Audio WCR01 Professional 2.4G Mic Wireless Collar Microphone for Cellphone Camera,karaoke speaker with wireless microphone","imgUrl":"https:\/\/img.chinax.com\/nimg\/d6\/97\/5b936f6697e7c910e31f62e28ed4-200x200-1.jpg","attrs":{"Price":"$47.90\/sets 1-99 sets","Brand Name":"797AUDIO","Model Number":"AWCR01","Private Mold":"Yes","Style":"Headset Microphone, Handheld Microphone, Lavalier Microphone, USB Microphone, Shock Mount, Handheld Microphone with speaker, Podcasting Sound Card, Wireless Microphone","Communication":"Wireless","Use":"COMPUTER MICROPHONE, Conference Microphone, Karaoke Microphone, Church, Stage Performance, INTERVIEW, Speech, Smart Phones, Recording, SINGING, Teaching, Portable Audio Player, communication, broadcasting, Kids, Gaming","Place of Origin":"Beijing, China","Material":"Plastic","Function":"Noise Cancelling, Light-weight, PORTABLE, Condenser Microphone","Polar Pattern":"Omni-directional","Type":"Condenser Microphone, 2 Channel Wireless Microphone","Frequency Response Rate":"20Hz-20KHz","Maximum SPL":"116db","Sensitivity":"-6.0dBFS\/Pa","Product name":"2.4G Wireless Microphone","Brand":"797Audio","Model No.":"AWCR01","Frequency Range":"20 Hz - 20khz","Sampling Rate":"48kHz","Working Distance":"100m","Working Time":"TX-14h,RX-6h","Support":"USB Digital Output"}}