Sunglasses that automatically adjust from clear lenses to smoke lenses based on UV intensity. They can be worn as stylish clear lenses in indoor environments without UV light. Moreover, they cut 43% of blue light! They are also useful for desk work with computers, etc. Outdoors, they automatically change color depending on the intensity of UV light. They cut UV rays. You don't need to change sunglasses or carry multiple pairs depending on the situation. These are all-in-one sunglasses that can handle both indoor and outdoor use. With a stylish round frame, they excel not only in functionality but also in fashion. Comes with a portable orange amber PU leather case. Suitable for both men and women. The frame is made of metal in black color. A product we recommend with confidence. Lens color...White Material...Metal Frame color...Black Lens features...Blue light cut Frame shape...Round/Round glasses Dirt, tears, odor, etc....None