Glasses Lens of Polaroid from America company TR 90 Flame Shock proof and Anti-static electricity High defend ultraviolet radiationBluetooth Earphone Battery continuous playing time: 5 hours
Recharging time: 3 hours Built-in lithium-ion polymer battery: 3.7V, 150mAh Automatically detected battery voltage and capacity Auto power off Memory storage Available flash memory size:
128MB/256MB/512MB/1G/2GB/4GB Standard USB 2.0 port Integrated USB drive Share same USB port for download, upload and charge
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