Asus Transformer Book Duet TD300 tablet/laptop hybrid runs Windows 8.1 and Android, I can say that this Asus Transformer Book Duet TD300 one of the best releases in CES 2014. Asus tries to come thing with the market. Asus Transformer Book Duet we can use like a Tab, like a laptop And OS Android and windows 8. This Transformer Book Duet Once we connect with the keyboard, we can switch which as we wanted use. Even this Tab / Lap while we using the keyboard we can use the touch screen also with it. 13.3 screen sizes, quad-core Intel i7 processor, 4GB of RAM, and 128GB of internal storage. In addition, the detachable keyboard dock houses a whopping 1TB of internal memory and various ports, including HDMI, LAN, one USB 3.0, and two USB 2.0. The Transformer Book Duet also features a MicroSD card expansion slot, a front-facing camera, and audio enhancing SonicMaster technology to complement the tablet’s dual speakers.