This Dual HDMI USB C Adapter ONLY work with those devices that the USB Type C Port supports video output or DP Alt Mode.Not for all USB C laptop.

Before you purchase it, Please Attetion:

1.Please check if your laptop owns a USB Type-c Thunderbolt 3 port and support DisplayPort Alternate Mode.

2.On Mac devices, ONLY support Mirror Mode, CAN NOT extend two different Screen, due to Mac OS limitation.

Friendly Reminders:

?Different systems' setting may be slightly different,If you are not sure how to operate, please feel free to let us know ,we are very gladly to help you; or you can download the (User Guide) in Product information>Technical Specification.

?Make sure the Type C port of your host device supports video output (some for data only), Please reset the default audio output device if you want to play audio via the HDMI devices.

?Not Support Mac devices to output two split screens, including: MacBook Air / Pro, iMac, etc.

Extend Multiple Monitors/Displays for your USB-C Windows Laptops

Sigle HDMI USED: Resolution up to 4K(3840X2160P@60HZ),down compatible with 2K (2560x1440@60Hz),1080P(1920x1080)@60Hz

Dual HDMI USED: Resolution up to 4K(3840X2160P@30HZ),down compatible with 2K (2560x1440@60Hz),1080P(1920x1080)@60Hz

With Advance chip, provide you more stable performace.

?How to switch Mac device to Extend Mode?

"Setting" ? "Display" ? click the "mirror display" box to switch to Extend mode ? then you can drag a window of website/movie to the rightest side of your desktop screen until it disappear on your desktop screen and show up on the external monitor screen.

( Important Note: As Apple company itself limited, for Mac OS devices use in extend mode, the image on the two external screens will be the same.)

?How to connect Extend Mode for Windows OS?

Right-click desktop? select Intel display Settings ? pop-up Settings screen select display? select multi-screen display? expand the desktop

(If the display 3 is not display, please to manually select the display?click apply confirm can set OK).

?If one of display does not display, How to do?

Right click desktop > Graphics Settings > Select One or More Active Displays.

In Mirror mode for Android, Mac, and Windows OS, the AAA feature allows all three screens to display the same image simultaneously. This can be useful for presentations or when you want to duplicate your screen across multiple monitors.

It's important to note that for Mac OS, only Mirror mode is supported. This means that all connected displays will show the same image. However, for Android and Windows OS, Mirror mode is also available and will display the same image on all connected screens.

When using Samsung DeX mode on an Android device, such as a Samsung cellphone, it is recommended to supply power to the device. This is because DeX mode utilizes a significant amount of processing power and may drain the battery quickly. By supplying power, you can ensure that the device remains charged during extended usage.

Mirror Mode:A-B/BB

( 2 monitors' image will be the same.)

Please Noted:

Does not support 2 external displays show different images for Apple computers in extend mode.

Support Windows 10 OS

Mirror Mode:A-A/AA

( 3 Screens' image will be the same.)

Extend Mode: A-B/BB/BC

( 2monitors' image can be same or different.)

Please Noted:

For different modes if you are not clear how to setting, we can help you.

Important Noted

For Mac OS it support Mirror mode (AAA), and Extend mode (ABB)

For Windows OS it support Mirror mode (AAA), Extend mode (ABB), and Extend mode (ABC)

Friendly remind: in order to ensure stable signal transmission, suggest use HDMI 2.0 (19+1 pin)cable and cable length not exceed 3m/9.8 feet.

Can NOT work with (Tested):

?HP EliteBook 745 G4 / HP Elitebook 820 G3 / HP EliteBook 828 G4 / HP 14s-be102TX / HP 14-ce1004TX 14 / HP Probook 650 G2 / HP Probook 455 G4 / HP Probook 430 G5 / HP Pavilion-14 bf116tx / HP Pavilion 15 ck009 / HP Pavilion Power Laptop 15-cb / Lenovo ideapad 340s, Tablets / Google Pixel phones / Nintendo Switch / Acer Aspire A5 / Oneplus 5T Phone

If your laptop not included in the list,please let us know, we are very gladly to help you check if the adapter can work with your device.

If your usb c laptops is win system laptop.

You can you 1 single hdmi or dual hdmi to extend your laptops. It allows you to extend extra 1/2 more different monitors. (The monitors' screen will be different as the laptop when in extend mode-same as the picture showed).

A-B/A-B+C

It is compatible with HP Spectre Laptop 13-af001TU/ Spectre x360 13t/Dell XPS 9380/

USB C - Dual HDMI 4K Display Hub

USB C to Dual HDMI adapter support USB-C enabled laptop, computer, graphic card, extend 2 additional displays with HDMI port. It allows you to extend your display to two additional monitors with HDMI ports.The adapter supports a single HDMI port with a display resolution of up to 4K (3840 x 2160) at 60Hz. For dual HDMI displays, it supports a resolution of 4K (3840 x 2160) at 30Hz or 1080P at 60Hz.This adapter can be a great partner for your laptop as it improves productivity and makes multitasking much easier by expanding your screen real estate.

Compatible Devices :

ONLY support Mirror Mode For: MacBook/ MacBook Pro (2021/2020/2019/2018/2017/2016), Macbook Air 2018-2021,Mac mini 2018-2020, iPad Pro 2018

For: Dell XPS12(9250) /Dell XPS13(9350) /Dell XPS15(9550), Dell Latitude 13 7000/Latitude 13 E7370

For: Lenovo Yoga 720-13IKB/ Yoga 900-13ISK/ Yoga 910/ Yoga 920/ Yoga 930

For: LG G5, LG gram 14Z990-V.AA52C

For: HP Spectre Laptop 13-af001TU 13'' ASUS Zenbook UX330UA

For: Microsoft Surface Book 2/ Surface Go/ Surface Laptop 3

For: Huawei Macbook Mate10/ Mate10 pro/ Mate20/ Mate20 pro / Mate30/ Mate30Pro

For: Samsung Galaxy S10+/S10/S9+ /S9 /S8+ /S8 Plus, Note 10 / 9 / 8

Can NOT work with (Tested):

HP EliteBook 745 G4 / HP Elitebook 820 G3 / HP EliteBook 828 G4 / HP 14s-be102TX / HP 14-ce1004TX 14 / HP Probook 650 G2 / HP Probook 455 G4 / HP Probook 430 G5 / HP Pavilion-14 bf116tx / HP Pavilion 15 ck009 / HP Pavilion Power Laptop 15-cb / Lenovo ideapad 340s, Tablets / Google Pixel phones / Nintendo Switch / Acer Aspire A5 / Oneplus 5T Phone

If your laptop is not on the compatible list of adapters, you can provide the specific model and other relevant information of your laptop. We will do our best to provide support and help you confirm whether the adapter is compatible with your device

This Dual HDMI USB C Adapter ONLY work with those devices that the USB Type C Port supports video output or DP Alt Mode.Not for all USB C laptop.

Before you purchase it, Please Attetion:

1.Please check if your laptop owns a USB Type-c Thunderbolt 3 port and support DisplayPort Alternate Mode.

2.On Mac devices, ONLY support Mirror Mode, CAN NOT extend two different Screen, due to Mac OS limitation.

Troubleshooting during a collection

1. No picture output or the display flicker ?

Please adjust the laptop's output resolution to a lower setting or verify the cable connection.

2. Can't get the 4K@60Hz 4:4:4 resolution?

Please replace a newer 4K@60hz UHDTV or a laptop that is compatible with the DP 1.4 standard or Thunderbolt 3. Kindly note that a single display can support up to 4K@60hz, but in MST mode, dual displays can only support up to 4K@30hz.

3. Can't extend two different screens ?