1King Conference Speakerphone

* 2.4G 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 range * Speaker:In built powerful speaker, AGC provide excellent audio quality * Battery: 90H Super long standby, continues work for 12 hours.Support 1AH quick Charge. * Compatibility: Plug&play, compatible with Windows、MacOS、Android、LINUX Operation system.