Warranty: CableCreation offers a two-year warranty and lifetime technical support. Any questions related to our products feel free to ask us. Wide Compatibility: Work with Windows 10 / 8.1 / 8 / 7, Vista, XP (32-bit / 64-bit) and macOS, ChromeOS, and Linux; Ensured compatibility with any USB-A laptop, Ultrabook, PC desktop or small form factor system; Works with systems even if 4K output is not natively supported by laptops/video cards. Please Note: If this USB Type-A to HDMI adapter doesn't work with your MacOS devices, we recommend users update to a later version to ensure compatibility with DisplayLink; the Driver required for macO. Mirror & Extend Mode: This HDMI to USB adapter can provide an extend and mirror screen, you can extend the display of a laptop to a monitor for extending working space with split-screen or mirror screens for a presentation on a projector. High Resolution & Refresh Rate: Sending both audio and video, HDMI output supports 1920x1080P resolution and HD resolution up to 2560*1440 (target device should support), supports 1.65Gbps/165MHz/24bits bandwidth. USB 3.0 to HDMI Adapter: USB 3 to HDMI converter with Displaylink Chip allows you to connect your desktop PC or laptop's USB port to more extra HDMI monitor, projector or TV, you can make a presentation, watch videos or slide shows on the big screen.