1. Product material: Adopt iron stamping and folding shell, surface spraying technology, stable appearance, good heat dissipation capacity. 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; support 3840*2160 60fps input, 1920*1080 60fps loop output, resolution backward compatible, Automatic recognition; USB3.0 1080P recording and editing, realization of high-definition acquisition, video recording, video live broadcast, teaching recording, medical imaging, game live broadcast, video live broadcast, high-definition video recording camera, etc. Features : 1. Comply with USB audio and video UVC specifications, support Windows, Android, Linux and MacOS operating systems 2. Support most acquisition software, such as VLC, OBS, Amcap, etc. 3. Support 1080P HD local loop out 4. The product supports HDMI 4K HD input 5. The product supports USB3.0 5Gbps ultra-high bandwidth acquisition, smooth acquisition, true color cast, and no delay 6. The product adopts FBGA package professional-level main control chip, stable performance, supports hardware compression, outstanding effect, and does not occupy computer resources 7. Support independent 3.5 microphone and 3.5 audio linear input interface, which can realize multi-channel audio independent adjustment and mixing (HDMI+Mic+BGM) 8. Using iron stamping and bending shell, surface spraying technology, calm atmosphere, good heat dissipation capacity 9. When the standard AWG26 cable is supported, the input transmission distance is up to 15 meters (1080P and below resolution) 10. Operating environment: -20 degree C to 75 degree C, relative humidity 5% to 95%