Instant Expansion: Add 2 * HDMI port, 4 * USB 3.0 ports, 2 * USB 2.0 Ports, 1 * micro SD card slot, 1 * SD card slot, 1 * Gigabit Ethernet LAN network access, 1 * 3.5mm Headphone Jack to your USB-C/USB3.0 laptop all from a single USB-C/USB port. 1 USB Type-A to USB Type-B Cable is included in the package as well as 1 USB-C to USB-A adapter. Video Output: Dual HDMI Display, with DisplayLink Chipset, streams from your USB Type-C/Type-A device to the external Display with HDMI slot. You could enjoy 3 different screen at the same time. The resolutions up to 2560*1440@50Hz, 1920x1080@60Hz including 720p, 1600x1200, 1280x1024 for high definition monitors or projectors. Note: Please install the driver first; if the computer has installed the driver similar to the USB to HDMI, please uninstall it first and then install the driver. Data Transfer: Transfer and backup your files at speeds up to 5Gbps via 4 USB 3.0 ports, quick and easy access to photos and other media by SD/TF card reader,