Apple iPod Nano (5G) 16GB, iPod nano. Player media type: flash-media, Total storage capacity: 16 GB. Display: LCD, Display diagonal: 55.9 mm (2.2 "), Display resolution: 240 x 376 pixels. Audio formats supported: AAC, AAX, AAX+, AIFF, Audible, HE-AAC, MP3, MP3 VBR, WAV, Video formats supported: H.264. Headphone connectivity: 3.5 mm, Headphone frequency: 20 - 20000 Hz. Frequency response: 20 - 20000 Hz, Impedance: 32 Ом, MP3 sample rates: 8 kHz