Bluetooth Headset Sunglass,TR 90 Flame

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