Maximum capacity: suitable for 5-10 participants Features a dual-microphone array with 360° audio pickup, ideal for small to medium-sized conference rooms up to 20 square meters Superior call quality: incorporates multiple algorithms including 360° calling, full-duplex communication, built-in echo cancellation, noise suppression, and voice enhancement, ensuring crystal-clear audio during conversations Intelligent noise reduction: eliminates external environmental disturbances while preserving clear human voices for optimal communication clarity Specifications: Pickup distance: within 5 meters Number of microphones: 2 AI microphones Microphone parameters: 50-10KHz/-38dBv Acoustic echo cancellation (AEC): supported Noise suppression (ANS): supported Automatic gain (AGC): supported Dual talk function: supported Speaker power and quantity: 5W*1 Speaker (sound pressure level): 0.5m Maximum volume: 86dB Signal-to-noise ratio: ≥70dB System support: Windows 7 or above, MacOS, andriod (need to support UVC) USB: USB 1.0, Type C Input voltage: 5V (USB powered) Maximum input current: 730mA Average power consumption: 800mW Working temperature: -10℃~50℃ Size: 140x135x37mm Supported software: QQ, WeChat, Tencent Conference, DingTalk, Skype, ZOOM, Microsoft teams, Google Hangout, Facetime