Ray-Ban Meta Wayfarer RW4012 combines the iconic Wayfarer silhouette with integrated smart features and photochromic Transitions lenses for all-day wear and on-the-go connectivity. Key attributes: Black | Nylon | Photochromic (Transitions) lenses | UV protection | Integrated camera | Built-in speakers and microphone | Touch and voice controls | Rechargeable battery | Charging case included | Square Wayfarer silhouette | Matte black finish | Clear to grey Transitions lenses | Dimensions & fit: Lens width: 50 mm | Bridge width: 22 mm | Temple length: 150 mm | Lens height: 41 mm | Standard fit | Composition & care: Nylon frame | Polycarbonate lenses | Wipe lenses with a microfiber cloth; avoid abrasive cleaners and solvents. Charge battery using the included charger and follow manufacturer charging instructions.