1)Support MMC/SD Card: 128M/256M/512M/1G/2G.

2)Support MP3 & WMA audio formats.

3)Supports Firmware upgrade function.

4)FM built in(optional).

5)Voice equalizer:Natural,Rock,Pop,Classic,Soft,Jazz,DBB.

6)A-B repeat.

7)Operating System:Windows 98SE/ME/2000/XP/MAC OS

8)USB Interface: USB 2.0

9)USB flash disk function,high -rate transmission.

10)1xAAA battery playing up to 8 hours.

11)Accessories:Stereo earphone,CD drive,USB Cable,user manual,battery.