Wireless Daisy Chain Microphone speaker

4 x Omni directional Microphones360 Voice Pick upDaisy-Chain Design for 20 attendees of 40 square metersCrystal Clear Conversations during any conference callsAutomatic Noise Reduction & Echo Cancellation.Multi- Connections with your devices via USB, AUX audio Jack Compatible with Win7/8 or 10, MacOS x 10.9 or higher, Chrome OS , Linux, Android ,iOS etc.Compatible Software: Zoom, Teams, Webex, Youtube, Xsplit, vMix, Skype, Polycom, BlueJeans, CiscoPlug and play Speaker mute button9 Hour battery lifeMicrophone Frequency: 100Hz - 22KHzSpreaker Frequency: 100Hz - 22KHzBuilt in microphone range pick up: 5 meters360 degree full range pickupSpeaker volume up to 85dB2 Year Warranty