fiche technique:

Model	iPod nano
Capacity	16GB1(Up to 4,000 songs, Up to 14,000 photos, Up to 16 hours of video)3
Battery life	Up to 24 hours of music playback; up to 5 hours of video playback4
Display	2.2-inch (diagonal) TFT display
Ports	Dock connector, stereo headphone jack
Connectivity	USB through dock connector; component and composite video through dock connector (with AV cables or kit, sold separately); audio through headphone jack
Charge time	About 3 hours (1.5-hour fast charge to 80% capacity)
Audio support	AAC (8 to 320 Kbps), Protected AAC (from iTunes Store), HE-AAC, MP3 (8 to 320 Kbps), MP3 VBR, Audible (formats 2, 3, 4, Audible Enhanced Audio, AAX, and AAX+), Apple Lossless, AIFF, and WAV
Photo support	Syncs iPod-viewable photos in JPEG, BMP, GIF, TIFF, PSD (Mac only), and PNG formats
Video capture	H.264 VGA video, 640 by 480 pixels, up to 30 frames per second with AAC audio, 15 real-time special effects: Sepia, Black and White, X-Ray, Film Grain, Thermal, Security Cam, Cyborg, Bulge, Kaleido, Motion Blur, Mirror, Light Tunnel, Dent, Stretch, and Twirl, H.264 video, up to 1.5 Mbps, 640 by 480 pixels, 30 frames per second, Low-Complexity version of the H.264 Baseline Profile with AAC-LC audio up to 160 Kbps, 48kHz, stereo audio in .m4v, .mp4, and .mov file formats; H.264 video, up to 2.5 Mbps, 640 by 480 pixels, 30 frames per second, Baseline Profile up to Level 3.0 with AAC-LC audio up to 160 Kbps, 48kHz, stereo audio in .m4v, .mp4, and .mov file formats; MPEG-4 video, up to 2.5 Mbps, 640 by 480 pixels, 30 frames per second, Simple Profile with AAC-LC audio up to 160 Kbps, 48kHz, stereo audio in .m4v, .mp4, and .mov file formats
Size	3.6 x 1.5 x 0.24 inches
Weight	1.28 ounces
Included accessories	Earphones, USB cable, dock adapter