Support 128MB/256MB/512MB/1GB Playback MP3/WMA multi-format files; Support lyrics display; Firmware upgradeable; 7 types of EQ mode DBB, Pop, Rock, Jazz, Classic, Normal, Soft; 7-colour LCD display; High quality voice recording; Support up to 9 folds of music and 99 files in each fold; Resume to the track time before power off; A-B repeat, selected content repeat function; Support Multi-language; 1 AAA battery. Built in FM is optional