Product Review

Note:
Most cellphone do not support video output, please make sure the Type-C port on your device support DP Alternate mode.
The 12″ Retina MacBook does not support 4K@60Hz output, it has a maximum output of 4K@30Hz.
Make sure the HDMI port on your monitor is 4K60Hz capable (some monitors have multiple ports, not all ports are capable of 4k@60Hz)
Nintendo Switch USB C port doesn't support HDMI output Function.

Display your files on your HDTV or HD projector with the Nekteck USB-C to DisplayPort 4K Adapter Cable! Watch the latest movies and TV shows on Hulu, Netflix, or iTunes. You can even share your favorite photos and videos with your friends and family. This DP Cable lets you output DP video and audio from a USB Type-C device such as a MacBook or Chromebook laptop. This adapter works with USB-C devices that pass a DisplayPort video signal. It's also compatible with Thunderbolt 3 ports.

At four times the resolution of high-definition 1080p, you'll be amazed at the picture quality of a 4K monitor or television. The Nekteck USB C DP Adapter lets you harness the video capabilities built into your USB Type-C connection, to deliver the stunning quality of Ultra HD to your 4K display. The 4K resolution gives you additional screen space to simplify your approach to detailed work such as editing video and viewing large spreadsheets. Plus, the adapter is backward compatible with 1080p displays, which makes it a great accessory for home, office or other workspace applications.

USB Type C Compatible Devices
Samsung Galaxy S8/S8 Plus
2016 MacBook Pro
Macbook 2015/2016
DELL XPS 13 9350, XPS 15
Google Chromebook Pixel
Samsung Notebook 9 900X5L-K01
HP EliteBook Folio G1
Asus ZenBook UX390UAK