The NanoBook is an ultra-mobile PC reference design by VIA Technologies, Inc. It has a clamshell form factor, a 7-inch 800×480 touchscreen display, and a full-size keyboard. It weighs less than 850g and has a claimed battery life of up to 4.5 hours. It is based on the VIA VX700 chipset, featuring the VIA UniChrome Pro II IGP integrated graphics and powered by the 1.2-GHz VIA C7-M ultra low voltage processor. It includes up to 1 GB DDR2 memory, a minimum 30-GB hard drive, 802.11g WiFi, Bluetooth and Ethernet support, as well as a 4-in-1 card reader, a DVI port and two USB 2.0 ports.