1. double-color OLED display 2. Plays MP3、WMA、WAV；128/256/512 built-in memory 3. FM tuner/Line in recording/ FM recording/voice recording/Voice repeating 4. Hi-speed USB 2.0 for ultra-fast music transfer 5. E-book function 6. 6 band adjustable EQ with presets 7. Four color available for your choice 8. Plays for 10+ hours on rechargable Li-ion battery (included)