Supported File Formats:MP3, WMA
Voice Recording: Yes
Display: LCM Display with ID3 TAG Display(E-Series)
OLED Display with Bright Colorful View(EO-Series)
Screen Size: 24 x 10 (mm)
Backlight: Blue (E-Series)
Audio Line-in: Yes
Decoder / Encoder: Yes
Repeating Playback: A-B Repeat Mode
Built-in Memory: 128MB/256MB/512MB/1GB
Radio Tuner: FM Tuner
Remote Controller: No
Card Extension: No
EQ Mode: Classic / Rock / POP / Jazz / Normal
Connection: USB Connector and Extention Cable
Earphone: Yes
Dimensions: 96.2(L) x 29.8 (W)x 21.0 (H)mm

Power:

Battery Life:Up to 12 Hours Running, One AAA Battery
Signal / Noise: 85dB ~ 90dB
Total Distortion: 0.08%
PC System Requirements:
Pentium 133 MHz or Higher
Windows 98 / ME / 2000 / XP
CD ROM Drive
USB Port