Special Features: LCD display with seven color backlight Main Features: Voice Record Built in FM Stereo Tuner(Optional) Power Supply:1 AAA alkaline battery USBv2.0 Full Speed MP3/WMA/WAV Format Support Support A-B Repeat Support 7 Equalizer Modes: Natural, Rock, Pop, Classic, Soft, Jazz, DBB Support ID3 tag display artist and Lyrics display synchronously Multi-Languages Support Easy upgrade with firmware download