Support MP3 and WMA music formats. Displays name of song, lyrics and playing time in English and Chinese Two recording mode: MIC and Line IN 5 EQ mode: NORMAL,DBB,POP,ROCK,JAZZ. Mobile hard disk funtion Built in MMC card slot support 16M/32M/64M/128M/512M external plug-in card). Blue color backlight. Repeat and follow-read function One AAA batteries plays up to 7-8 hours Weight: 34g(without battery) Size: 60.92mm?60.92mm?11.85mm