IT PRO PERFORMANCE: USB to Dual HDMI Display adapter built with Silicon Motion's Content Adaptive Technology uses multiple processing algorithms resulting in minimal CPU usage, low latency for smoother lag free graphics (i.e. mouse and window movement) INCREASED PRODUCTIVITY: Add dual displays to almost any laptop with the integrated USB-A or USB-C adapter dongle; Enable extended dual display on base Apple M-Series MacBooks, which natively only support one SPECS: Dual HDMI video outputs with 1x 4K 30Hz & 1x 1080p; This USB to Dual HDMI Adapter uses a single USB 3.0,3.2 Gen 1 (5Gbps) connection or later; 2ch HDMI Audio; USB bus-powered, no power supply required; 4in (11cm) attached cable EXTERNAL VIDEO GRAPHICS ADAPTER: Connect additional displays when extra video ports are not available on a laptop or dock; Use with two external monitors and a workstation laptop screen; great for business productivity apps, not for gaming COMPATIBILITY: This converter works with Windows, macOS, Chrome OS V98+ (Stable Channel), and Ubuntu; Automatic driver installation in Windows and Chrome OS; Requires Driver Download for macOS and Ubuntu; Works with USB 3.0, USB-C, USB4, and Thunderbolt