Full Duplex 360° Omni-directional with 4 AI smart microphones arrays: Kaysuda conference microphone and speaker operates perfectly for 1-4 people meeting room It has been optimized for mainstream conference applications like Zoom, Skype, WebEx, GoToMeeting, Google Hangout, Cisco, Avaya, FaceTime, Microsoft Teams and etc, and is also personalized with digital assistants like Cortana, Siri, and Google Conference calls via USB & Bluetooth connection, Simple to use: you can connect this device to your smart phone, tablet, laptop...with the bluetooth function, or you can also plug this device to your computer with the USB cable directly High quality audio and durable: rich crystal clear HD audio, The Acoustic Echo Canceler completely eliminates the echo and the noise isolating microphone guarantee a superior conference experience even in noisy outdoor areas: office or home Compatible with multiple devices and operating systems like All Windows OS as well as Mac OS, Linux OS, ChromeOS, Android (91)