âEasy to carry, small and medium-sized meetings will be launched at any timeâHD, full duplex audio solutionâMicrodynamic speech enhancement technologyâAdaptive high-definition amplification technologyâThe 3.5mm interface can be used for docking mobile or other analog devices.âsupport USB/ Bluetoothï¼optionalï¼âLow power consumption designâ360 degree omni directional pickup, plug and playâThe inductive button design is more dust-proof and more durable.