Inogeni Cam230 Hdmi/Usb 3.0 Camera Switcher Allows You To Connect Your Document Camera, Webcam, And Classroom Livestream Via A Single, Switching Interface. One Hdmi And Two Usb-A 3.0 Ports Connect To One Hdmi And One Usb-B 2.0 Port For A Single Video Stream. The Usb Input Ports Support Up To Uhd 4K Video While The Hdmi Input Supports 1080P60 Video. Digital Audio Is Taken From The Embedded Connections And Can Be Toggled Using The Inogeni Control App