Take hundreds of songs everywhere you go with the small, wearable, and colorful iPod shuffle. Use the clickable control pad to easily play your music. With a simple tap of the VoiceOver button, you"ll hear the song title, playlist name, or even battery status. And because your different playlists and Genius Mixes are just a sync away, you"ll always have the perfect music mix ready to complement your every mood. VoiceOver button to hear the song title, playlist menu, and battery status Support for multiple playlists and Genius Mixes 2GB of storage Apple Earphones For Mac and WindowsSpecifications Capacity - 2GB flash drive, stores data via USB flash drive External Controls - Control pad, Shuffle button, VoiceOver button Input/Output - 3.5mm stereo headphone jack for audio and for USB charging Audio Frequency Response - 20Hz - 20kHz Audio Formats - AAC (8 to 320 Kbps), Protected AAC (from iTunes Store), MP3 (8 to 320 Kbps), MP3 VBR, Audible (formats 2, 3, 4, Audible Enhanced Audio, AAX, and AAX+), Apple Lossless, AIFF, and WAV VoiceOver - 25 languages Battery - Built-in rechargeable lithium-ion battery (up to 15 hours) Power - USB charged via computer or optional power adapter System Requirements - Mac OS X v10.6.8 or later / Windows 7, Windows Vista, or Windows XP Home or Professional (SP3) or later / iTunes 10.7 or later / USB 2.0 / Internet access Dimensions (HxWxD) - 1.14 x 1.24 x 0.34 inches Weight - 0.44 ounce