Description
Price: $19.99
(as of Sep 16, 2025 02:44:23 UTC – Details)
Product description
Can’t extend two different screens on macOS
This hub only supports SST mode under macOS and can only extend 1 monitor.
Can’t get the 4K@30Hz resolution?
Please replace a newer 4K@30hz 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@30hz, but in MST mode, dual displays can only support up to 1080p@60hz.
Why doesn’t the product support extended display on dual monitors?
Only Windows supports extended mode and mirror mode, Other systems only support mirror mode.
This adapter does not allow the connection of external monitors?
the USB-C male of the product is connected to your laptop, which requires USB-C port of the laptop to support Displayport Alt mode
Product does not work with either of the devices
the USB-C male of the product is connected to your laptop, which requires USB-C port of the laptop to support Displayport Alt mode
【Does not support MST on Mac OS 】This KOZYC USB-C adapter features 2x HDMI port, 1x USB 3.0 port, and 1x100W PD charging port, Note: Android system only supports AAA mode(mirror mode); macOS supports AAA, and ABB mode (does not support MST ABC mode); Windows OS supports AAA, ABB, ABA, and ABC mode.
【4k Resolution】This USB C to HDMI Adapter resolution is up to 4K@30Hz. with backward compatible with 60Hz for resolutions of 2K/1080P. Please note: If you want to get a 4k resolution, please make sure your device supports 4k and uses a HDMI cable 2.0 or better
【Plug and Play】No external power supply is required for this USB C to HDMI Adapter, just plug and play, and no need for any driver. Note: NOT for all USB-C port laptops, Make sure your laptop or PC supports ” Thunderbolt 3” or “displayport output mode（DP ALT mode）
【Broad Compatibility】This USB C HDMI Adapter is compatible with Linux, Windows, Mac OS, & Android systems, with compatible Thunderbolt 3 and DP 1.4 alt mode. Support: MacBook/ MacBook Pro, Dell XPS, LG, HP, Samsung Galaxy, etc.
【What You Get】KOZYC 4 IN 1 USB-C Hub x 1, User Manual x1 with a hassle-free 2-year warranty and lifetime technical support. Feel free to reach our friendly customer service if you have any questions.
Customers say
Customers find the USB-C adapter easy to set up and use, and appreciate its value as an alternative to expensive docking stations. The display capability receives positive feedback, with customers noting it instantly connects to monitors. The functionality and connectivity receive mixed reviews – while some report it works well for dual display purposes, others mention issues with HDMI ports and MacBook compatibility. The build quality and lifespan are concerns, with customers reporting poor construction and monitors failing after 6 weeks of use.
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