Specifications: ★ Supporting MP3 / WMA music play formats ★ seven colorful backlight Display ★ 8 kinds of EQ music effect settings ★ Digital record with high quality ★ Li-ion battery ★ Supporting synchronized display of song and lyrics supporting ID3 information ★ Built-in quick flash memory: 64M / 128M / 256M/512M/1G/2G ★USB 2.0 ★You can use any one colors --- for black,red,biue,silver ★Dimension: 10.6*3.5*2.8 mm Product Weight:45g