The Asus Padfone 2 is a 4.7" unlocked smartphone that can slide into the optional 10.1" Padfone 2 Station tablet dock for expanded viewing. It has a 13MP camera, 16 hour battery life, 4G LTE connectivity, and Android 4.0 operating system. When docked with the tablet, the combined device has a 36 hour battery life and provides a larger screen for entertainment and productivity. It is available from Tiptop Electronics for £339.