When you need exceptional conferencing performance in a small group conference room, turn to Calisto 7200. With four MEMS-directional microphones that provide 360 ? coverage and filter out unwanted noise, USB and Bluetooth® connectivity and touch-sensitive controls, it''s ready when you are.TOP FEATURES Simplify call management with intuitive touch-sensitive controls to answer/end, mute and adjust volume on PC or smartphone Four MEMS-directional microphones ensure crystal-clear audio performance by activating in the direction of the speaker''s voice 360 ? room coverage with active background noise reduction is perfect for mobile-professionals who have to make calls in a variety of settings PC wideband audio and digital signal processing (DSP) reduce drop-outs and acoustic echo cancellation (AEC) virtually eliminates echo Plantronics Manager Pro software-as-a-service, which is sold separately, allows IT to gain insight into device usage, inventory tracking and firmware updates as they become available