Apple iPod nano, 8GB, iPod nano. Player media type: flash-media, Total storage capacity: 8 GB. Display: LCD, Display diagonal: 55.9 mm (2.2 "), Display resolution: 240 x 376 pixels. Audio formats supported: AAC, HE-AAC, MP3, MP3 VBR, AIFF, WAV, Video formats supported: H.264, m4v, mp4, mov, MPEG-4. Headphone connectivity: 3.5 mm. Frequency response: 20 - 20000 Hz, Impedance: 32 Ом