Allows you to control four computers using one keyboard and mouse, 4K resolution HDMI video signals, USB 3.0 ports, microphone input, and stereo audio output Control up to 4 computers with 4K HDMI video with one keyboard, mouse and display Compatible with resolutions up to Ultra-HD 4K 60Hz with HDR, and 18Gbps video bandwidth Features Auto-EDID detection for easy display detection Easy system selection via front panel selection buttons or user programmable keyboard hot-key commands Comes with 2 USB 1.1 ports for keyboard and mouse connection, and 4 USB 3.0 ports. Connect multiple USB peripherals such as flash drives, printers and more simultaneously Includes 3.5mm jack for microphone input and stereo speakers/headphones Auto-scan feature for quick browsing and system monitoring Firmware upgrade feature via Micro USB port for future compatibility Plug-n-play, no driver installation Compatibility Notes: Not DDM fast switching compliant