USB Conference calls are on longer limited to small tables. The CHATAttach 150 facilitates USB conferencing for medium and large conference rooms. The CHATAttach conferencing system, which includes two CHAT 150s, enables even distribution of microphones and loudspeakers as well as centralized access to mute and volume controls. No matter where participants are seated, conversations are natural and effortless. A professional audio solution for USB conference calls located in medium and large sized conference rooms. The CHATAttach 150 includes: 2 CHAT 150 pods 2 USB Cables (only 1 is needed) CHATAttach Expansion Kit Attach Cable (10ft) Power Adapter Attach Quick Start Guide The CHATAttach 150 connects to PCs for rich, full-duplex audio communications, and can be used with VoIP softphones, web collaboration applications, instant messaging, and any other application requiring two-way audio. Connects to laptops and PCs - for use with: VoIP softphones, such as Avaya, Cisco, Nortel Internet telephones, such as Skype or Vonage Web conferencing applications, such as LiveMeeting, Sametime, and WebEx Instant messaging with audio chat Audio playback with media players, such as QuickTime, RealPlayer, Windows Media Player Featuring ClearOne's trademark audio processing performance, CHATAttach 150 delivers unmatched full-duplex capability for crystal-clear communications. It includes three built-in microphones for full 360-degree pickup. The CHATAttach 150 is a perfect addition to the office or conference room for greatly enhanced collaboration. KEY FEATURES Contains HDConference™ audio technologies: Full duplex-allows users to listen and speak at the same time Distributed Echo Cancellation™-identifies and eliminates acoustic echo for audio that is more intelligible Noise reduction-identifies noise from lights, fans, projectors, etc., and eliminates it First mic priority-intelligently changes microphone levels depending on who is speaking Automatic gain and level controls-adjust mic and speaker levels automatically Adaptive modeling-continuously samples room acoustics for any changes USB powered (2.0 compatible) 3 microphones for full 360° audio pickup Easily manage conference calls with 1 to 6 participants ADVANTAGES True plug and play operation Hands-free comfort and flexibility Move around freely without being tethered with a headset Easily support up to 6 conference call participants Avoid the discomfort from prolonged headset