7-color backlight display Support MP3,WMA,WAV,ASF audio formats Firmware upgradeable makes its function expandable, build-on USB function FM stereo radio, strong auto-search and manual search station function, can save 40 channels(20 channels/system) E-files, ultra long word recording function, you can copy those unfinished files into its disks for afterwards reading E-book, convenient ,prompt, let your telephone notes always be with you Drive-free U-disk modes, using the tools with the machine, you can divide its disk into 2 disks Record/repeat function, can record via microphone and save as WAV and ACT audio files 7EQ and multi-playing modes Power-off memory, full animation menu