Color OLED display 2) Support MP3, WMA, WAV, ASF audio formats with power switch 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 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, built-in high quality Li-ion battery 12) Dimension: 58 x 31 x 15mm