1.The product complies with USB UVC video specifications and USB audio UAC specifications; Operating environment: -20 Degrees Celsius to 65 Degrees Celsius, the relative humidity is 5% to 95%2.Supports operating systems such as Windows, Android, Linux and MacOS; No need for external power supply, small size, ultra-thin and portable3.Supports most capture software, such as VLC, OBS, Amcap, etc .High definition capture, strong compatibility, smooth image without stutter, without lag4.Support HDMI local loop output; High-definition collection, strong compatibility, smooth image without stuttering, without lag; Supports microphone audio and HDMI overlay audio collection;5.Supports microphone input, the audio jack supports built-in headphones; Output: USB / F up to 1080P; Output mode MJPEG, input: HDMI / F, up to 4K ,. 8/10/12 bit color depth input format

http://olla.gr/z39-hdmi-f-microphone-hdmi-f-audio-usb-4k-capture-card-support-windows-android-linux-and-macos-etc/