The iPod touch (5th Gen) has a 4" (diagonal) widescreen multi-touch IPS "retina" display with a 1136x640 native resolution (326 ppi), dual cameras -- a 5 megapixel rear "iSight" camera with LED flash that can shoot 1080p video and a front-facing 1.2 megapixel "FaceTime HD" 720p camera -- and support for Bluetooth 4.0, 802.11n Wi-Fi (both the 2.4 GHz and 5 GHz frequencies), Siri, and AirPlay in addition to the expected music, photo, video playback, and iOS app functionality.
