USB to HDMI adapterUltra fast USB 3.0 portand built-in with premium quality chip for stable performance and long service life. Same as an external graphics card to deliver smooth high-definition video to your HDTV/projector or monitor. Supports Windows 10, Windows 8.1, Windows 8, Windows 7, Windows XP. But please note: MAC/Linux/Vista/Chrome/Firestick is not supported. ApplicationThis USB 3.0 to HDMI adapter is used to connect a USB-enabled device (e.g. laptop, desktop) to an HDMI-enabled device (e.g. monitor, projector, TV) for a multi-monitor solution and extend the working area with the application. Mirror & Extend ModeThis USB to HDMI converter has an extension mode that allows your laptop to see multiple tasks at the same time; in mirror mode, your laptop becomes a large screen for visual pleasure; ideal for games, home theater, video conferences, company training, etc. 1080P high resolutionBy using the super speed USB 3.0 interface with high bandwidth (5 Gbps), this USB 3.0 to HDMI offers high-resolution graphics for your HDTV or monitors with a resolution of up to 1920 x 1080, so that the external video display problem of the computer is easily solved. (Only USB 3.0 port can reach HD 1080P, if you are USB 2.0 port, it can only be 800 x 600) Customer Service If the product does not meet your expectations, please do not hesitate to to get a replacement or refund and send us an email. We take care of every customer with experience.