ZS-SG4T1HD2 4 in 1 Type C to Dual HDMI + USB 3.0 Port + Type C PD Charging Port Multifunctional HD Dock Adapter (Grey)

1. The dual USB C to HDMI adapter connects devices with one USB-C interface port to two HDMI ports, one USB 3.0 port and one PD port. Four ports can work at the same time. Designed for devices equipped with Type-C port or Thunderbolt 3 port that support video and audio output mode.
2. High-speed USB 3.0 transfer up to 5Gbps works for USB flash disk, mouse, keyboard and other USB A 2.0 / USB A 3.0 devices. Easy to transfer HD movies in a short time. Meanwhile, Type-C charging quickly generates up to 60W, avoid running out of power during use.
3. This multiport adapter does not require any software drivers or complicated installation process. Premium and portable aluminum design provides better heat dissipation. Special internal PCB anti-interference design, no need to worry about interrupting the WiFi signal anymore.
4. USB C device compatible with MAC OS Windows Android Linux system. Compatible with MacBook/MacBook Pro 2015-2019 iPad Pro 2018 Macbook air 2018 Surface Book Google Chromebook Pixel Dell XPS 12/13/15 HP Specter X2/X360 Acer Spin7 Samsung S8/S9 and more USB C devices.
5. Extended mode supports Windows system broadcasting different images on three screens. Due to the limit of Mac OS, the image on the MAC device for both screens will show the same.
6. High-speed USB 3.0 transfer up to 5Gbps works for USB flash disk, mouse, keyboard and other USB A 2.0 / USB A 3.0 devices. Easy to transfer HD movies in a short time. Meanwhile, Type-C PD port charging quickly outputs up to 60W, avoid running out of power during use.
7. 4-in-1 USB C to Dual HDMI Adapter connects devices with one USB-C interface port to two HDMI ports, one USB 3.0 port and one PD port. Four ports can work at the same time. Designed for devices equipped with Type-C port or Thunderbolt 3 port that support video and audio output mode.
Mac OS compatibility.
1: mirror mode.
2: Extended mode (As MAC OS is limited in extended mode, the image on the two external displays will be the same.)
Android support.
1: mirror mode
Windows support.
1: mirror mode
2: Extended mode (the image on the two external screens may be the same or different).

Switch the Mac device to extended mode:
Settings → Display → click mirror display box to switch to Extended mode → then you can drag a website/movie window to the rightmost side of your desktop screen until it disappears on your desktop screen and appears on the external monitor screen.
connect extended mode for windows:
Right click on the desktop → select Display settings → Settings popup screen select display → select multi-screen display → expand the desktop (if screen 3 is not displayed manually select the display → click Apply confirm you can set OK ).
the screen is not displayed
Right-click on the desktop > Graphics Settings > Select one or more active displays.