This USB 3.0 capture card can capture HDMI video and HDMI audio at the same time, and can transmit audio and video signals to computers and smart phones for preview and storage. It is suitable for high-definition acquisition, teaching recording, medical imaging, etc. Product Features: *Support the maximum input resolution of 4K/30HZ; *Support maximum output resolution up to 1080P/60Hz; *Support 8/10/12 bit color depth; *When using standard AWG26 cables, the input transmission distance is up to 15 meters (1080P and below resolution); *Support most acquisition software, such as VLC, OBS, Amcap, etc.; *Support Windows, Android and MacOS; *Comply with USB video UVC specification; *Comply with USB audio UAC specification; *No need for external power supply, compact and easy to carry Connection operation: 1. Connect the UHD signal source and the HDMI input port of the USB capture card together through an HDMI cable; 2. Connect the display port and the HDMI output port of the USB capture card together through an HDMI cable; 3. Connect the USB port of the computer and the USB port of the capture card through a USB cable; 4. Acquisition operation steps (OBS): Open the software add a new source select 'video capture device' set the screen size select 'studio mode' (dual window) click 'start recording' Computer hardware configuration requirements CPU: PC i5-3400 or above; NB i7-3537U 2.0GHZ or above Graphics Card: PC NVIDIA GT630 or above; NC NVIDIA GT735M or above Storage: 4G RAM Package included: 1*HD-MI Video Capture Card 1* USB3.0 to USB3.0 Cable(USB cable is black now , the usb cable is usb to usb and type-c) 1* English Manual