• Automatic switch when there is incoming calls or making calls
  while playing music.
• Long talk time 4 hours, and standby time 120 hours.
• Voice dial, Re-dial, mute, volume adjustment button
  
• Absolute music freedom with no wires or cords to dangle or
  tangle. 100% hand free while talking on the phone.
• Store more than 80 songs on the 256MB flash memory.
• Up to 6 hours of playback time on a single charge (Built-in
  Lithium Ion Polymer Rechargeable Battery).
• The high quality speakers with three directions of movement for
  precise positioning.
  
• Flip-up lenses with contours that maximize protection against
  sun, wind and side impact.
• Polarized lens material to filter out 100% of all UVA, UVB, UVC
  and harmful blue light.
• Durable frame with less than 2 ounce total weight for all-day
  comfort.
• Supports storage of data files along with song files (Media
  formats supported: MP3/WAV/WMA).
  
• USB2.0 interface provide high speed data transfer from or to
  PC, can be used as a USB Flash Drive to backup important files
  or transfer data between computers. (Support WinXP, Win2K,
  WinMe, Win98)

Perfect for Sports, Perfect for Vacation and Perfect Gift.

This retail package including all the accessories needed for everyday
convenience use.

Package includes: MP3 Sunglasses, travel charger, USB Cable, Sunglasses Case