Product Description: This is a HDMI to USB C adapter. Connects from HDMI source device to USB-C display device. So as to transmit 4K HD audio and video signals from HDMI signal source to USB-C display device. The cable is unidirectional and only supports from HDMI signal source to USB-C display device. It cannot be used to transfer from USB-C to HDMI display. Also the cable comes with a USB power supply connector. Please plug the USB into a USB power supply with a put-point device at the same time when you use it to provide enough working current for the internal chip, maybe you will find that some of the devices can work normally without power supply. However, we recommend to connect the USB power supply, this power supply device is to prevent the occurrence of low voltage devices can not be displayed properly.
Product Performance: Support up to 4K@60Hz resolution, backward compatible with 4K@30Hz, 2K@120Hz/60Hz, 1080P@120Hz/60Hz