Apple iPod nano 1GB, iPod nano. Player media type: flash-media, Total storage capacity: 1 GB. Display: LCD, Display diagonal: 38.1 mm (1.5 "), Display resolution: 176 x 132 pixels. Audio formats supported: AAC, MP3, WAV. Headphone connectivity: 3.5 mm. Frequency response: 20 - 20000 Hz