THE IT PRO'S CHOICE: Designed and built for IT Professionals, this USB Type-A to HDMI adapter dongle is backed for 2-years, including free lifetime 24/5 multi-lingual technical assistance. NOTE: This adapter will not work with macOS version 10.13.4 to 10.13.6; We recommend users update to 10.14 or later to ensure compatibility with DisplayLink; Driver required for macOS; Auto-driver install with Windows and ChromeOS. COMPATIBILITY: Works with Windows, macOS 10.14+, 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. INCREASE PRODUCTIVITY: USB-A to HDMI adapter lets you add a display in extended mode (2 displays total incl. laptop screen) through an available USB-A port; Supports ultrawide displays up to 3440x1440; Enable extended display on Apple M1/M2 MacBooks. PERFORMANCE: This USB 3.0 to HDMI dongle lets you connect your laptop or desktop computer to an HDMI monitor, TV or projector using a single USB Type-A port; Up to 4K 30Hz (UHD); 5.1ch audio (through HDMI); HDCP 2.2; USB bus-powered; Compatible with 1080p.