1. Product materials: Adopt aluminum alloy CNC technology, surface sand surface oxidation, high-end environmental protection; with good anti-interference and heat dissipation capabilities. 2. Product features: This product is a portable HDMI high-definition video capture card that can simultaneously capture HDMI audio and video signals and transmit them to mobile phones and computers for preview, editing, storage and other multi-functional applications. 3. Product application: Connect the HDMI input end of the capture card to the signal source, the HDMI output end to the display port, and the Mic end to the microphone to realize high-definition acquisition, video recording, video live broadcast, teaching recording, medical imaging, game live broadcast, Live video, recording and shooting camera HD video, etc. Features : 1. The product complies with USB video UVC specification and USB audio UAC specification 2. Supports operating systems such as Windows, Android, Linux and MacOS 3. Support most acquisition software, such as VLC, OBS, Amcap, etc. 4. Support HDMI local loop out 5. Support microphone audio input, 3.5 stereo channel output 6. Support microphone audio and HDMI audio overlay collection 7. Input terminal: HDMI/F input can support 4K, 8/10/12 bit color depth input format 8. Output: Type C male supports up to 1080P; YUV, JPEG output mode 9. When the standard AWG26 cable is supported, the input transmission distance is up to 15 meters (1080P and below resolution) 10. High-definition capture, strong compatibility, smooth picture without stutter, no delay 11. No need for external power supply, small size, ultra-thin and portable 12. Operating environment: -20 degree C to 75 degree C, relative humidity 5% to 95%