Features: Support software:for QQ-, WeChat-, Tencent-Meeting, DingTalk-, Skype-, ZOOM-, Microsoft-teams, Google- Hangout, Facetime Product Features "Maximum number of participants: within 5-10; 2 microphone arrays, which can pick up sound at 360 suitable for small and medium conference rooms- within 20 square meters-; Super call: 360 call, full-duplex call, built-in echo cancellation, noise suppression, vocal enhancement and other algorithms to provide clear call sound quality; Intelligent noise reduction: Eliminate external environmental interference and keep clean human voice-; With TypeC-A data cable, it can be adapted to different computers Specifications: Echo Cancellation:less than 500ms Full-duplex:Full-duplex with echo cancellation Microphones:high quality mics Pickup distance:diameter pickup 3-5meters Mic-Sampling Frequency:48Khz Signal-to-noise ratio:65.5dB Mic-Sensitivity:-38dBFs speaker:High fidelity speaker Speaker Power:5W Speaker Frequency:200Hz-20KHz Connection:USB Pickup distance: within 3meters of the best pickup radius- Number of microphones: 2-AI microphone arrays Echo-Cancellation (AEC-) Support Noise suppression (ANS-) support Automatic Gain- (AGC-) support Dual-speak function support System supports Windows7 or above, MacOS-, andriod (need to support UVC) USB USB1.0, TypeC Input voltage- 5V (powered by USB) Maximum input current 730mA Average power consumption 800mW Working temperature -10-50 Host Size approx 139.5x135x36.5mm/5.49x5.31x1.44in Host net weightapprox 319g Note: Due to the different monitor- and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you Please allow 0-0.5cm measuring deviation- due to manual measurement. Package includes: 1 Set Omnidirectional Speakerphone