Support multi-music format like MP3, WMA Stylish appearance, unique design, personality development features made it not only a pair of top grade sunglasses but high quality mp3 player which is necessary for outside tour Top grade sunglasses form... - Update: 2007-11-02

Listen to music - MP3, WMA, or WAV 128MB/256MB/512MB/1GB storage in flash memory on the sunglasses Simple transfer of files to the memory, using plug-and-play / drag-and-drop USB connection Bluetooth functionality, enabling you to talk wireless... - Update: 2007-11-02

USB2.0 MP3, WMA, WAV supported Signal / Noise: 87.2dB Harmonic Distortion: less than 0.05% Power: Internal Li-ion Battery (3.7V, 150mAh) Power Output: 55mW Frequency Response: 20 Hz -20 kHz Operating frequency: 2400 MHz - 2483.5 MHz Po... - Update: 2007-11-02