(Image credit: Future) With Memorial Day only a couple of weeks away, Meta is offering the company's first-ever sale across both its Ray-Ban Meta and Oakley Meta glasses. Through May 25, you can save up to 25% on Meta AI glasses. This even includes 20% off prescription lenses when you're purchasing the frames. You can get 20% off both the Ray-Ben Meta (Gen 2) and Oakley Meta HSTN specs . The first-generation Ray-Ban Meta are on sale for 25% off. Multiple styles and colors are on sale for both the Oakley and Ray-Ban sales. In our Ray-Ban Meta (Gen 2) Smart Glasses review , we said the Editor's Choice glasses look great and work as promised. The sleek design and increased camera quality makes for a modest but noticeable upgrade over the Gen 1 spectacles. The audio quality is great when listening to music or making phone calls. Plus, the glasses are water-resistant. The Ray-Ban glasses come with adaptive volume control and loudness boost. The second generation also comes with a music detection tool.…