MP4 Players 1) Display screen: 1.5 - 1.8" full color CSTN display 2) Metal housing / glass surface / ultra slim body design 3) 6-in-1 functions: a) MP4 player b) MP3 player c) USB flash drive d) Digital voice recorder e) A-B repeat f) Digital FM tuner (preset 30 channels) 4) USB 2.0 version with capacity: 128MB / 256MB / 512MB / 1GB / 2GB quality picture 5) E-photo album function 6) E-book function 7) MP3 file and Windows Media Audio (WMA) file 8) Multi-language: support 13 different languages 9) ID3 tag display: can display lyric synchronously when playing a song 10) Standard flash disk function, supports USB mass storage 11) Built-in microphone, super long time digital voice recording 12) Power-saving setup 13) Brightness and contrast adjustable 14) Auto power-off 15) Multi sound equalizer: Normal, DBB, Rock, Jazz, Disc, Pop, Classic 16) Built-in Li-ion battery with charging status indicator 17) Unit size (mm): 89 x 40 x 7 18) Weight: 42g