2.4G Wireless Daisy Chain Wireless Microphone with Speaker Battery Plug&Play

A portable, digital wireless conference microphone for conference and board rooms. These microphones can be easily connected to laptop/PC through USB ports. The features like echo cancellation and noise reduction suppresses unwanted background noise and echoes, for the crystal clear audio during video conferencing. Product Description2.4G  Wireless Transmission: with stable signal, USB wireless receiver connect to PC, the maximum distance between the receiver and microphone can reach to 15 meters.Omni-directional Microphone:Full duplex OMNI-Directional MIC,with 3-4 meters pick up rangeSpeaker:In built powerful speaker, AGC provide excellent audio qualityBattery:  90H Super long standby, continues work for 12 hours.Support 1AH quick Charge.Competibility: Plug&play, competiable with Windows,MacOS,Android,LINUX Operation system.Model#KSU-B1GMicrophonetypeFull duplex OMNI-Directional microphoneSensitivity-22dBFSS/N Ratio60dBFrequency range20Hz-15kHzSpeakerBuilt in powerful speaker, provided excellent audio qualityEcho cancelationAdvanced echo cancellation up to 256msNoise suppression>15dBSampling rate16kHz/48kHzPick up diameter rangeMax 3 Meters, suggest to work in 2 meters diameter distanceTransmission modeRF2.4G (Preferred) & USB cable (for single chat pod)Audio output3.5mm socket for headsetBattery Charge SocketMini USBControlButton Control or IR Remote controllerButton functionsPower on/Off, Mute, silent speaker, HiFi mode, Volume UP/DownStatus displayDouble-color LED indicator lightPower ChargerDC5V±0.2V, 1ABattery2600mA, Talk time up to 12 hours, Fully charged in 4 hoursStand by90 daysWork Temperature0-50ºCEnvironment Humidity0-95% RHL X W X Hmm178mmx 162mmx 47mmWeight500gVisualized operationsPower ,Volume,connection is Visualized on PC With more intelligence operationsSuch as when devices out of connection to the PC, It will turn off in 5 minutes automatically. The yellow light will illuminate to remind for charge when low power.and devices will turn off automatically when there is no sound input or output over 20 minutes. Echo cancellation and noise reductionwith 360 degree audio pickup up to 4 meters and wireless connected to PC, The unique features like echo cancellation and noise reduction suppresses unwanted background noise and echoes, ensuring crystal clear audio during video conferencing. Simple USB Plug and PlayEasy to set up, Plug&play, competiable with Windows,MacOS,Android,LINUX Operation system.     /* March 10, 2023 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1