Microsoft TEAMS certified Omni-directional 2 mics, up to 1.5 M pick-up 3x the level of noise reduction versus competition Full duplex, AEC (Acoustic Echo Cancellation) and AGC (Automatic Gain Control ) support Beam forming & Far field pick-up tech on mics Intuitive control with volume wheel, tactile keys and readable LEDs Plug and Play, USB-C and USB connectivity Integrated USB-C cable with management Extreme size and weight, Ø90 x 49 mm, 265g Travel pouch Lenovo Go Central (Software) Supported The Lenovo Go Wired Speakerphone brings enterprise-grade conferencing and audio to the remote workforce. In one portable plug-and-play solution, you can hold natural conference calls optimised by advanced voice-first algorithms. And with Teams Certified tech, you can rest easy knowing you can make the most of your favourite UC platform. Features Certification CB, FCC,ICES, CE, RCM, VCCI, BSMI KCC, EAC Speaker diameter 3 cm Speaker frequency range 140 - 20000 Hz Built-in speaker(s) Yes Product co