SIIG 2x1 USB HDMI KVM Switch, 4Kx2K, HDMI 4K 30Hz Single Monitor, USB 2.0 Hub/HID, MIC, Hotkey Switching, 2 Port HDMI KVM Switch, USB-A Hotkey/Push Button, 3840x2160 30Hz USB 2.0 Port

Share an UHDTV or display, USB keyboard & mouse, and microphone between 2 USB/HDMI computers and devicesFeatures; Share an UHDTV or display, USB keyboard and mouse and microphone between 2 USB/HDMI computer and devices; Provides 2 additional USB 2.0 ports with over-current detection and protection; Switch between devices via front push button or hotkeys (Windows only); Metal housing for increased RF shielding; Supports Dolby True HD and DTS HD Master Audio formats.