The USB-C™ to Dual HDMI Adapter can connect one USB-C™ port to two HDMI displays
When working with a single HDMI port, the resolution is up to 4K@60Hz (3840X2160P@60Hz)
When both HDMI ports are working, the maximum supported resolution is limited to 4K@30Hz
This USB-C™ to HDMI adapter is backwards compatible with 60Hz for 2K/1080P resolutions

Note: If you want to get 4K resolution, make sure your device supports 4K and uses an HDMI 2.0 or higher cable

Technical specifications
Supported standards: DisplayPort v1.4, DisplayPort v1.1a, HDMI2.0b/1.4b, VESA DDM standards, HDCP v2.2, DisplayID and EDID v1.4
Supports HDMI v2.0b output ports
Supports dual HDMI 4K@30Hz (MST)
Supports UHD video resolutions up to 4k@60 4:4:4 for single display
Supports EDID, MCCS
Interlaced High Dynamic Range (HDR) video and 3D video
RGB, YCbCr444, YCbCr422, YCbCr420
1-32 channels of LPCM audio including HBR audio compliant with IEC 61937 compressed audio
SST or up to 8 MST streams
HDR (High Dynamic Range) video
No external power supply is required for this USB-C™ to HDMI adapter, just plug and play and no drivers are needed

Compatibility
Linux
Windows
Mac OS
Android

Converter dimensions
Length: 64.5 mm
Width: 57.2 mm
Height: 12.0mm
Cable length: 15 cm

Package contents
IADAP USBC-HDMI2T4K USB-C™ to Dual HDMI Port Adapter
User Manual