Designed for Microsoft Surface Pro Lightweight and compact design is easy to carry around Aluminum and soft-touch ABS construction offers a beautiful yet strong build 6-in-1 functionality featuring 1 HDMI port, 1 Mini DisplayPort, 2 USB-A (USB3.0) ports, 1 SD card reader, and 1 MicroSD card reader HDMI port supports 4K resolution at 30Hz while Mini DisplayPort supports 4K resolution at 60Hz so you can watch videos with great clarity USB ports are great for connecting mice, keyboards, printers or any other USB-A peripherals MicroSD and SD memory card readers allow for speedy transfer of data, photos, videos, movies, and more