Enabling 4K Ultra HD without a graphics card, the Kensington USB Docking Station provides high resolution to a monitor or TV using HDMI or Display port. Users can also enjoy 2K resolution for a dual-monitor set-up for convenience and productivity! Includes speaker port, microphone jack, and Kensington security slot. Adapter Features 2K and 4K resolution for both single and dual monitor setup via an HDMI cable or DisplayPort connection (+DVI for 2K) 3 universal USB 3.0 ports for seamless productivity with your accessories 2.1A fast charging port to power up a tablet or smartphone Includes speaker port, microphone jack, and Kensington Security Slot Compatible with Windows 8.1, 8, 7