Memory: 1GB
Music Format: MP3, WMA
Bit rate: 32-320Kbps
SNR (Signal to Noise Ratio): >85dB
Output of earphones: 2 x 12mW (16Ohm)
USB: 2.0
System: Windows 98/SE/ME/2000/XP
Power Source: Built-in Rechargeable Li-ion Battery
Dimension: 170x60x8mm(LxWxD)

Other Features:
Earphones built directly onto frame
Stereo Sound Effect
Earphone moves forward/ backward/ swivel 270 deg for comfortable fit
Flip up glasses
Playing time: 4-5 hours

Accessories:
User Manual
Hard Case for Sunglasses
USB
Power Adapter
Car Battery Power Adapter
Mini CD with Driver