h differently lit environments whether it’s outdoor or indoor you can keep them on. This is fusion of technology and fashion creating magic for eyes. This igear product is called switch shades and this is what we call realizing imagination. Highlights: · never seen before electronic mechanism, which controls the light transmittance of the lens. · the shade of the lenses can be manually adjusted through the +/- switch mounted on the right side temple · polarized/uv 400 protected sunglasses, shielding your eyes from harmful radiations. · keep the shade you like depending on your mood or the surrounding light intensity. · the frame has been manufactured using tr90, which makes it light weight, scratch resistant and skin friendly · classy matt finish gives the sunglasses a very suave look · sw03 model comes with an attachment for attaching your prescription lenses with the sunglas Specifications: Gender: unisex Frame type: full rim Size: medium Frame shape: wayfarer style Frame color: matt black & auburn brown Glass color: blue gradient Size: 62-12-145 Weight : .036 grams 17*8.5.5cm per pc packing