The Surface Book 2 is a versatile laptop, powerful tablet, and portable studio in one. Get more done with four modes of use. Lightweight and powerful with high performance in a laptop this size. Get ideas down fast with a backlit keyboard and a display designed for touch. Connect all your devices with USB 3.1, full-size SD card. Use the USB-C port as a single connector to charge devices, transfer files, and display video on external monitors.