The Philips SmartMeeting HD Audio & Video Conferencing Solution & Sembly AI Meeting Assistant, is an industry-leading innovation that will revolutionize the way that your virtual meetings will take place. The conferencing device is stationed in the center of your meeting table & capable of 360 audio & visual pickup. An array of four high-quality microphones with noise cancelling capabilities allow for clear meeting recordings at a radius of up to 20 ft away. Smart speech enhancement technology also ensures clear & natural sounding calls. Cord Length: 36"; Power Source(s): AC Adapter; Batteries Required: No; Batteries Included: No.