With a 4.3 inch LCD display and a Tegra 2 mobile dual-core CPU. The Sony Walkman Z Series runs off of the Android GingerBread 2.3 Operating System. It also has a built in HDMI port for viewing on the big screen but the built in dlna chip makes it capable of communication and collaboration with all other dlna enabled devices i.e. smart T.V.s, network music players, wifi enabled cameras.