1.7- color backlight display 2.Support MP3, WMA, WAV, ASF audio formats 3.Firmware upgradeable makes its function expandable 4.Fm stereo radio, strong auto-search and manual search station function, can save 40 channels (20 channels / system) with all frequencies of local radio stations, you can freely enjoy radio programs 5.E-files, ultra long word recording function, you can copy those unfinished files into its disks for afterwards reading 6.E-book, convenient, prompt, let your telephone notes always be with you 7.Drive-free U-disk function, build-on retractable USB hub, build-in Li-ion battery 8.Division disk modes, using the tools with the machine, you can divide its disk into 2 disks 9.Record/repeat function, can record via microphone and save as WAV and ACT audio files 10.7 EQ and multi-playing modes 11.Power-off memory, full animation menu 12.Dimension: 98X31X23mm