250khz professional wireless microphone for singing

{"cid":"91221090","title":"KP-520S Professional Wireless Microphone UHF Band Channel Spacing 250KHz","imgUrl":"https:\/\/img.ismap.com\/nimg\/0f\/81\/dd6213d0d0183d50b4a40f54bc4d-200x200-1.jpg","attrs":{"Brand Name":"KPARTY","Model Number":"KP-520S","Place of Origin":"KPARTY CHINA"}}

{"cid":"91198862","title":"250KHz Ktv The Vocal Microphone Professional Wireless Microphone System","imgUrl":"https:\/\/img.ismap.com\/nimg\/e3\/f5\/2ec7725c05d46a4466011d6ed5d4-200x200-1.jpg","attrs":{"Price":"$210.00","Brand Name":"AC3","Model Number":"3D+F6D","Minimum Order Quantity":"2-29 Units","Delivery Time":"5-15 Working days","Place of Origin":"Guangdong, China","Payment Terms":"Western Union, T\/T","Supply Ability":"30 Units\/day","Packaging Details":"57X40X10 cm","Use":"Karaoke Microphone, Church, INTERVIEW, Speech, SINGING, Teaching, Kids","Material":"metal, Aluminium Alloy","Function":"Noise Cancelling, Light-weight, With LED lights","Polar Pattern":"Omni-directional","Color":"Black","Feature":"Anti-interference","Power supply":"DC 12-18V","Size":"48*25*4.5cm","Connection":"UHF Wireless Connect","Single gross weight":"4.000 kg"}}

{"cid":"91219621","title":"Outdoor DJ Party Karaoke Speaker With Wireless Microphone And Bluetooth Communication","imgUrl":"https:\/\/img.ismap.com\/nimg\/c5\/2b\/397b71261a0768e4acc982376509-200x200-1.jpg","attrs":{"Price":"$6.86\/pieces 1000-2999 pieces","Brand Name":"OEM\/ODM","Model Number":"HF530","Minimum Order Quantity":"1000 pieces","Battery":"Yes, 1200mAh","Built-in Microphone":"Yes","Cabinet Material":"Plastic","Color":"White","Communication":"bluetooth","Display Screen":"NO","Connectors":"TYPE-C","Feature":"BT\/FM\/TF\/USB\/MIC\/LED","LED Lighting":"RGB","Power Source":"DC","Remote Control":"NO","Private Mold":"Yes","Special Feature":"PORTABLE, Wireless, Mini","Waterproof":"NO","Speaker Type":"Wireless","Place of Origin":"Guangdong, China","Function":"Bluetooth\/wireless charging\/clock alarm \/FM\/ night light\/stand","Material":"ABS","Light effects":"Colorful lighting effects+free switching","Rated Power":"10W","Size":"9.6*9.6*12cm","Bluetooth":"BT 5.3","Frequency Range":"70Hz-20KHz","Support Memory Card":"Yes","Logo":"OEM\/ODM"}}