1.Glasses:
    •MirroredLens made of  Polaroid that can shed Ultraviolet Radiation  
    •TR 90 Flame
    •Shock proof and Anti-static electricity 
    *The Lanes can be flipped up. This is a very convinience feature that would allow you to continue using the bluetooth sunglass or listen to the music while in door.


2.Audio:
    •Compatible Audio File formats: MP3/WAV/WMA
    •Stereo Sound
    •Voice Output Power: 5MW+5MW
    •Voice Output Frequency: 20Hz-20Khz.


3.Battery:
    •Continuous Playing Time: 5 hours
    •Recharging Time: 3 hours
    •Built-in Lithium-ion Polymer Battery: 3.7V, 150mAh
    •Battery Capacity Auto Detection
    •Auto Power Off


4.Memory storage:
    •Flash Memory size: 2GB
    •Standard USB 2.0/1.1 Port
    •Integrated USB Flash Drive

5.Other basic specifications:

• Maximum input power rating: 5VDC,150mA
• Voice output power: 55mW
• Earphone output frequency: 5mw
• Voice output frequency: 20Hz-20Khz
• THD: Less 0.05%
• Battery tape/capacity: Built-in lithium lion olmer/3.7v, 150mAh
• Normally works voltage: 30-35mA
• Signal-to-noise ratio: 87.2dB
• Earphone impendence: 16ou*2
• Weight: 52g
• Dimension: 172*160*40mm

  
  
  Free car charger as X`MAS gift