The ASUS Transformer Book T100 is a 10.1-inch 2-in-1 tablet that runs Windows 8.1 and is powered by an Intel BayTrail quad-core processor. It has a detachable keyboard dock and a 10 hour battery life. The T100 has an IPS HD touchscreen display, Microsoft Office, and weighs just 550 grams. It was released in early 2014 as ASUS's first Windows tablet.