Features:
1) Glasses:
a) Lens of polaroid from America company
b) TR 90 flame
c) Shock proof and anti-static electricity
2) Audio:
a) Compatible formats: MP3 / WAV / WMA
b) Stereo sound
c) Voice output power: 5MW + 5MW
d) Voice output frequency: 20Hz - 20kHz
4) Battery:
a) Continuous playing time: 6 hours
b) Rechargering time: 3 hours
c) Built-in lithium-ion polymer battery: 3.7V, 180mAh
d) Automatically detected battery voltage and capacity
e) Auto power off
5) Memory storage:
a) Available flash memory size: 128MB / 256MB / 512MB / 1G
b) Standard USB 2.0 port
c) Integrated USB drive
d) Share same USB port for download, upload and charge
6) Accessories: USB cable, car charger, adapter, disc, user manual
7) Colors: black, silver, green, blue