Core Features:BYOD: work with Yealink video conferencing system Presentation: work with Yealink video conferencing system. Easy to Use Plug and Play 1 x 100Mbps RJ45 port IEEE 802.3af, fullduplex 1 x USB 2.0 Type A 1 x USB 2.0 Type C with DP video input 1 x HDMI video input Presentation resolution: up to 4Kp15