... 3. Full range of FM channels 4. 7 colors PC lens . MP3+FM Sunglasses 2. High stereo quality built-in headphone ... . Full range of FM channels4. 7 colors PC lens for option (6 colors Polarized lens) 5. Black,blue,red,silver colors for ... )black, silver, red and blueLens Material (optional)UV400 protection Polarized Lens or PC lensLenses flip up design and changeableEarphoneBuilt-in hi ...