Oakley Meta HSTN Sunglasses combine Oakley PRIZM optics with integrated camera and audio, delivering hands‑free capture and on‑the‑go sound in a classic round silhouette. Key attributes: Warm grey | Prizm ruby | O Matter | PRIZM lens technology | Water resistant (IPX4) | Battery life up to 8 hours (extendable with charging case) | Built‑in camera for hands‑free capture | Open‑ear speakers for music and calls | Microphones for calls and voice commands | Bluetooth connectivity and hands‑free controls | Round HSTN silhouette | PRIZM Ruby mirrored lenses | Discreet tech integration | Dimensions & fit: Lens width: 51 mm | Bridge: 22 mm | Temple: 145 mm | Composition & care: O Matter frame | PRIZM Ruby lens | Wipe lenses with a microfiber cloth. Store in the protective case when not in use. Avoid exposure to extreme heat and harsh chemicals.