... , part of MPEG specs Fast decoding, lower complexity than AAC or Vorbis Anyone can create their own implementation (Specs and ... higher than 48kHz)Features:Sleek, All Metal Design, Music Downloads from iTunes, Audiobooks, Podcasts, Games, TV Shows, Movies, Cover Flow, Support ... LED Backlight, 320 x 240 Pixel ResolutionAudio file formatAAC, Protected AAC, MP3, MP3 VBR, AIFF and WAVDimensions L x W ...