Points for Attention: 1, Must connect BOTH USB A to B cables for the power supply and data transfer. 2, Please Ensure USB C Charging to the power source when connecting high-power equipment. 3, Hotkey Switching is NOT Supported. 4, This KVM switch will Not be compatible with those devices that are 'only with USB C port but without any USB A port' KVM Switch 1 Monitor 2 Computers: This KVM Switch allows 2 computers to share a signal monitor and 4 USB 3.0 devices such as a set keyboard, mouse, hard drives, U disk, and printer. Its not only a keyboard mouse switch Switch, but also an HDMI switch. You can easily switch between two hosts, which not only keeps your workspace tidy but also helps to maximize productivity Sharing 4 USB 3.0 Ports: UGREEN KVM switches has 3 USB-A ports and 1 USB-C port for sharing USB flash drives, printers, mobile hard drives, U disk, and other USB 2.0 and USB 3.0 devices. USB 3.0 offers data transfer speeds of up to 5Gbps, while USB 2.