Apple iPod nano 8 GB 4th Generation(Blue)  (Discontinued by Manufacturer) 8 GB Storage Capacity (Estimated Free Space 7.2 GB) for 2,000 songs, 7,000 photos, or 8 hours of video Up to 24 hours of music playback or 4 hours of video playback when fully charged 2-inch LCD with blue-white LED backlight and 320-by-240-pixel resolution Supported audio formats: AAC, Protected AAC, MP3, MP3 VBR, Audible, Apple Lossless, AIFF, and WAV Supported video formats: H.264, MPEG-4; Supported image file types: JPEG, BMP, GIF, TIFF, PSD (Mac only), and PNG