Z54 HDMI Output + 2 x HDMI Input + Mic + Audio to USB 3.0 Audio Video Capture Switcher with Loop 1. The product complies with USB video UVC specification and USB audio UAC specification 2. Support operating systems such as Windows, Android, Linux and MacOS 3. Support most acquisition software, such as VLC, OBS, Amcap, etc. 4. Support HD local loop out 5. Support microphone input, audio jack supports integrated headset (Note: when the microphone and headset integrated headset are used at the same time, the integrated headset has no microphone function.) 6. Support free switching of two HD signal sources 7. Support microphone audio and HD audio overlay collection 8. Input terminal: HDF input can support 4K, 81012 bit color depth input format 9. Output: USBM supports 1080P; MJPEG output mode 10. High-definition capture, strong compatibility, smooth picture 11. No need for external power supply, portable 12. Operating environment: -20 degrees Celsius -65 degrees Celsius, relative humidity is 5%-95% 13. Product size: 230 x 46.9 x 16.5mm 14. Product color: gray