Thank you for viewing. This is an adapter for dual displays. Insert the main unit into the USB port, install the driver, and multi-display output will be available immediately. ※ General retail price: ¥9982 ※ The following is the manufacturer's description. Dual HDMI multi-monitor adapter. Simply insert the adapter into the USB port and connect the HDMI monitor cable, and everything is ready. Extended Mode: Treats multiple displays as a single desktop, ideal for spreadsheets, etc. Mirror Mode copies the content of one screen to another monitor. Perfect for presentations. Plug-and-play functionality between the computer and the second monitor or optimal, allowing you to build a new visual environment in seconds.