The AVer FONE540 is a versatile USB and Bluetooth speakerphone designed to enhance audio conferencing in various meeting spaces, from personal workspaces to large conference rooms. It features daisy-chain technology, allowing you to expand coverage by connecting up to two additional speakerphones or microphones. The FONE540 boasts advanced noise suppression to eliminate background distractions like keyboard typing and air conditioning, ensuring clear audio. With double-talk detection, it facilitates fluid communication, making calls feel like face-to-face conversations. The speakerphone also supports easy three-way calling via a 3.5 mm line-in jack, enabling external parties to join meetings seamlessly. Smart LED indicators clearly display the speakerphone's status, such as on, off, or muted, for everyone in the room to see. This plug-and-play device offers business-class acoustics without complex setup.