SAMSUNG Original Flash Chip: 128MB/256MB Built-in FM Radio Voice Digital Recording Support MP3 & WMA Formats Support Synchronous Lyric Display 15 languages support: English/ French/ German Italian/Spanish/ Portuguese/Dutch/ Korean/ Japanese Danish/Swedish/Polish/Czech /Russian/ Chinese Lithium rechargeable battery playing up to 8 hours Whole metal wuth Nami-glass design 5 Equalizer Modes and 5 Playing Modes Unit size: 80*28*15mm, weight: 35g