Purchased in the US, the latest AI sports glasses, Oakley Meta, with photochromic lenses. Brand new, unopened. Oakley Meta Smart Glasses HSTN Transitions The latest AI smart glasses The outer box is sealed and cannot be resealed once opened. As it is a precision instrument, an unopened item is recommended. The photochromic lenses are almost transparent in the dark and become dark outdoors during the day, as shown in the photo. Design loved by athletes Built-in camera and open-ear audio Hands-free shooting without taking out your smartphone Frame: Black Lens: Clear/Amethyst Size: 51 Please check the photos for the model number. This is the most popular model in terms of color, size, and shape. Please refer to the following: Meta's Japanese official page https://www.meta.com/jp/ai-glasses/oakley-meta-hstn/