FeaturesAdaptive Comfort: The sunglasses with adjustables lenses automatically adjust to changing light conditions, providing optimals comfort in various environments, from bright sunlight to cloudy weather.Eye Protection: By adjusting the-shade, the sunglasses offer consistent protection against harmful UV rays and reduce eye strain, regardless of the intensitys of the light.Versatility: Suitable for a wide range of activities, whether driving, hiking, or outdoor sports, they provide the right amount of shading for each condition, enhancing visual clarity.Enhanced Visual Experience: The dynamics adjustment helps maintain clear-visions by reducing glares in high-light situations while brightening-visions in low-light environments.Wide range of applications: Whether it is daily travel, outdoo-adventure, professional photography, or work protection, it can become your indispensable partners and accompany you to explore every corner of the worldNotice:1.Actual color may be slightly different from the image due to different light effect2.Please allow 1-3cm deviation due to manual measurementAdjustment: infiniteFrame Size: 52mm/49mm/49mm Accessories: Storage Bag Package List:1X Rounded Polarized Sunglasses