| Apple iPod touch (4th Gen) 3.5 (diagonal) widescreen Multi-Touch display Black 16GB ME178LL/A Memory Type: Flash Memory Display Resolution: 960 x 640 Audio Formats: 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 Wireless: 802.11b/g/n Wi-Fi (802.11n 2.4GHz only)Bluetooth 2.1 + EDRMaps: Location-based serviceNike+ support built in Battery Type: Built-in Rechargeable Lithium-Ion Battery Battery Life(Audio Playback): Up to 40 hours of music playback when fully charged Recharge Time: Recharge Time Fast-charge time: about 2 hours (charges up to 80% of battery capacity)Full-charge time: about 4 hours Frequency Range: 20 Hz-20 kHz |
