?JIB Chinese Super Factory ?In order to further expand the market and reduce labor costs, JIB Chinese factory was born in China. This cable is made in Chinese factory with originally advanced technology from JIB Germany. JIB offers 18-month warranty. ?Not Bi-directional Transmission?JIB USB C to 4K HDMI Cables is NOT BI-DIRECTIONAL transmission. Please note that input is the USB C adapter (laptop, tablet, phone) and the output is the HDMI adapter (monitor, TV, projector, etc). ?Widely Compatible? Compatible with any device with video output enabled USB C port (*DP Alt Mode), meaning all Thunderbolt 3, Thunderbolt 4, and USB-C 3.1 Gen 2 or above devices like USB-C 3.2, USB4. For USB C 3.1 Gen 1 devices. ?Plug & Play?No driver, software or complicated installation is necessary . Directly use the adapter to connect the device to a projector, monitor or HDTV. You can instantly convert the USB-C port of your laptop or mobile phone to an HDMI port. ?USB TYPE C to HDMI Cables?JIB 4K USB-C to HDMI Cables instantly turn the USB-C port of your laptop or phone into an HDMI port. The HDMI adapter helps you to connect TV or display with an HDMI port to stream video in up to 4K resolution.