Without sound, theyre just sunglasses. Thoughtfully refined and strikingly elegant, Bose Frames Soprano style feature large lenses, delicately sloped browline and an elegant update to the cat eye, providing a dash of retro glamor with modern sheen. Bose Open Ear Audio technology produces clear, lifelike sound, leaving you free to engage with the world around you while discreetly listening to music. Bose Frames also feature an advanced mic system that lets you make crystal clear calls, scratch-and-shatter-resistant polarized lenses and a rechargeable battery that plays for up to 5.5 hours. All this housed in a lightweight frame crafted from ultramodern materials for a luxurious look and feel.