Apple iPod touch 16GB White Model ME179LL/A(4th Generation) (Discontinued by Manufacturer);

802.11b/g/n Wi-Fi (802.11n 2.4GHz only) Bluetooth 2.1 + EDR Maps: Location-based service Nike+ support built in 3.5-inch (diagonal) widescreen Multi-Touch display 960-by-640-pixel resolution at 326 pixels per inch Frequency response: 20Hz to 20,000Hz Audio formats supported: AAC (8 to 320 Kbps), Protected AAC (from iTunes Store), HE-AAC, MP3 (8 to 320 Kbps), MP3 VBR, Audible (formats 2, 3, 4, Audible Enhanced Audio, AAX, and AAX+), Apple Lossless, AIFF, and WAV User-configurable maximum volume limit Video recording, HD (720p) up to 30 frames per second with audio; still photos (960 by 720) with back camera VGA-quality photos and video up to 30 frames per second with front camera Tap to control exposure for video or stills Photo and video geotagging over Wi-Fi Built-in rechargeable lithium-ion battery Up to 40 hours of music playback when fully charged Charging via USB to computer system or po