1.Support multi-music format like MP3,WMA? 2.Stylish appearance, unique design, personality development features made it not only a pair of top grade sunglasses but high quality mp3 player which is necessary for outside tour. 3.Top grade sunglasses formed the main body, build-in hi quality mp3 player base unit, earplug was setup on the frame directly, stereo-effect when playing music like effect of a home box office. 4.A pair of cleverly designed earphone which can be moved fore-and 朼ft to adjust its place with . 270 degree rotation back-fro , suitable for all people 5.Unique flex earphone design free from ear-line when reading or traveling. 6.Eyeglasses which can be lift up in under-light environment ,was connected with frame by rotating shaft. 7.Unique mini 2in1 port for USB & recharge, made it smaller and perfect. 8.Capacity :64M?G