For USB C device: If you want to connect this switch with a Mac or other host devices that only have usb c port, you need to use a USB C to A adapter with a USB A to B cable. It won't work when using a USB C to B cable directly.
About Power Supply: This USB switch is powered by the USB cables connected to the computers. Please plug in the USB power cord (included) when using high-power USB devices.
Input Tip: It is a USB switch without an HDMI port and it does not support four computers sharing a single monitor. The product is designed for data transmission and does not support video transmission.
Output Tip: Support wireless keyboard and mouse, but not suggested to connect wireless devices to USB 3.0 switch due to 2.4Ghz co-channel interference (industry problem).
2 Micro-B ports USB switch is designed with 2 Micro-B ports, one for power supply and the other for wired remote control, please pay attention to the distinction.