World Leading technology of eyewear manufacturing and electronic devices.Cellulose acetate fashion sunglasses equips with advanced mainboard and intelligent chip.Here we present audio smart sunglasses in best solutions of variety options.Perfect combination of eyeglasses with smart devices.Voice control "Siri" or other smart phone system to make and answer phone calls with privacy.You may enjoy concert-experience music when you are driving or reclining on a couch,without disturbing or be disturbed.