48v table microphone for conference room

{"cid":"91171055","title":"High Performance Conference Room Table Microphones With Voting \/ Election Function","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/c1\/0e\/314f75408c68bdbf519e4f3bc3d1-200x200-1.jpg","attrs":{"Price":"negotiable","Brand Name":"Boente","Model Number":"BNT-418","Minimum Order Quantity":"50units","Delivery Time":"10-15 days","Certification":"CE\/ROHS\/FCC","Place of Origin":"China","Payment Terms":"L\/C, T\/T, Western Union","Supply Ability":"1000 units per month","Packaging Details":"carton","Product Name":"conference mics","microphone length":"42cm","frequency response":"100Hz-13kHz","Sensitivity":"-44dB \u00b1 2dB","Working voltage":"DC18V","Style":"Single-directional microphone","Feature":"chairman& delegate unit microphone","Function":"voting","Panel size":"234mm * 84mm*102mm","Cutout size":"207mm * 75mm"}}

{"cid":"91218239","title":"Volume Control PC USB 0.2KG Conference Speakerphones For Business Meeting Speakerphone","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/9f\/1c\/5080519a15a1e47f950aca946ac5-200x200-1.jpg","attrs":{"Price":"USD24-25","Brand Name":"as custom","Model Number":"001","Minimum Order Quantity":"200 pcs","Delivery Time":"15~25DAYS","Place of Origin":"shenzhen","Certification":"FCC","Supply Ability":"50000 PCS\/ month","Packaging Details":"1 PCS\/gift boxes","Voice Pickup":"Omni-Directional","Weight":"0.2KG","Product Name":"Conference Speakerphones","Volume Control":"Yes","Warranty":"1 Year","Color":"Black\/ Yellow\/Sliver","Connection":"Bluetooth\/ USB","Microphone":"Dual"}}