This is a 2-port KVM switch compatible with USB 3.0. It connects to two PCs via HDMI and USB, allowing you to share one monitor. (Switching via the button on the unit) - Model: GREATHTEK USB3.0 KVM SWITCH 2 PORT - Number of ports: 3 - USB ports: USB 3.0 - Switch button: Yes - HDMI output: Yes - Included items: All included, such as USB cables and instruction manual. - Color: Black - Other: Two HDMI cables (required separately) are included. (See photo 5.) Shipped via Nekopos (a Japanese delivery service).