1. The product comforms to USB audio and video UVC specifications, and supports Windows, Android, Linux, MacOS and other operating systems 2. Support most acquisition software, such as VLC, OBS, Amcap, etc. 3. Input: HDMI/F 4K max 4. Output: USB3.0/M 1080P 5. High-definition capture, strong compatibility, smooth picture without stutter and delay 6. No external power supply, small size, ultra-thin and portable

http://olla.gr/z26-usb-3.0-hdmi-4k-hd-audio-and-video-capture-card-device/