1.360° Coverage: Omnidirectional microphone picks up voices from all directions to instantly transform any space at home or the office into a meeting room. And the range of voice pick-up is up to 3 meters radius, no need to raise your voices all the time. 2.HD Voice and Crystal Clear Sound: This USB speakerphone comes with 360° omnidirectional microphone and high-quality speaker, plus DSP technology which provides Acoustic Echo Cancellation (AEC) and Automatic Noise Suppression (ANS). 3.Setup and Use with Ease: USB plug and play, with 3m (9.8ft) long cable, connecting to your computer without needing to install drivers. USB wired connection is stable. Quickly mute or unmute the conference microphone (DO NOT mute speaker) with the physical mute button. 4.Built-in USB Hub: Innovative conference speakerphone built-in USB hub. It provides more convenience in connecting a mouse, keyboard, U-disk, handset and another conferencing system, etc.