... Sleek ergonomical design, comfortable wearing, light weightedn Support multimedia video format like MPG, AVI, WMA, FLV, RM/RMVB, DV, ... bps, 384K bpsn Frequency response: 20Hz - 20KHzn Picture format: JPEG, BMP, GIFn Ebook format: TXTn Music format: MP3, WMA , WAV, APE, OGG, FLAC ... , AACn Video format: XVID, DIVX3/4/5, AVI, Flash, ...