4K UHD Display For Macbook Pro Air USB Hub with Dual HDMI MST Extend 2 Monitors USB 3.0 Hub Dock Type C Adapter PD Fast Charging Features: [4-in-1 HDMI adapter] USB C-to-dual HDMI adapter connects the device with USB-C interface port to two HDMI ports, one USB 3.0 port and one PD port. Four ports can work simultaneously. Designed for devices equipped with Type-C port or Thunderbolt 3 port and supporting video and audio output modes. [USB 3.0 and power port] High-speed USB 3.0 transmission rate is up to 5 Gbps, suitable for USB flash drive, mouse, keyboard and other USB A 2.0/USB A 3.0 devices. Easy to transmit high-definition movies in a short time. At the same time, Type-C charging can quickly output up to 60W of power to avoid running out of power during use. [Plug and Play] This mulitport adapter does not require any software, drivers or complicated installation process. Portable and high-quality aluminum design can provide better cooling effect. Special internal PCB anti-interference design, no need to worry about interrupting WiFi signal. [Wide compatibility] Compatible with MAC OS, Windows, Android, Linux system USB C devices. Support 2015-2019 MacBook/MacBook Pro, iPad Pro 2018, Macbook air 2018, Surface Book, Google Chrome Pixel, Dell XPS 12/13/15, HP Spectre X2/X360, Acer Spin7, Samsung S8/S9 and more USB C devices. [Important] The expansion mode supports Windows system to stream different images in three displays. Due to the limitation of Mac OS, the image on the MAC device on both screens will display the same.