***** **********Best Quality Guranteed. *****DAISY CHAIN/USE AlONE IDEAL FOR S/L MEETING SPACE M220 speakerphone features daisy chain functions, cascading 2 conference speakers greatly expand your effective meeting space, delivering superb audio for collaborative conference. It's a new upgrade based on M2 considering the needs of our customers. The best part is that you can not only take M220 to a larger meeting, letting more attendees participate in the conference call, but use alone for 2 small rooms as two M2 speakers. *****AI VOICE ALGORITHM & AUTO-ADJUSTING PICKUP TECH skype speakerphone applies the AI-based VoiceIA algorithm to eliminate noise according to environmental dynamics, effectively suppress echo, so that to filter ambient noise in open environments ensuring you with superb immersive sound.
Meanwhile, M220 speaker is equipped with a high-sensitivity digital mics array which can identify the distance of the sound source, automatically adjusting the sound volume to reali