| Family Line iPod nano Storage Capacity 2 GB Main Storage Type Built-in Memory Number of Songs 500 Audio Format MP3 , WAV , AAC , MP3 VBR , AIFF MP3 Bit-Rate 16 kbps - 320 kbps Frequency Respone 20 Hz - 20,000 Hz Power Source Rechargeable via USB cable , AC/DC Adapter Battery Type Rechargeable Lithium Battery Battery Life 14 hrs. | 
