- Stop losing your glasses: with our exclusive front magnet connection and permanent rigid headband, taking them off is quick and easy. When not in use, they rest comfortably around your neck. - Efficient eye protection: designed for mobile TV and screen use, these glasses block blue light, relieve eye fatigue, and help protect your vision health. - Adjustable and form-fitting: available on all Mpbxisn frames. Simply pull to adjust the length for a perfect fit. All Mpbxisn glasses have adjustable temples that can be fully closed or extended to fit a range of sizes. - Unrivaled durability: built with high-impact acrylic lenses, strong neodymium magnets, and 180-degree hinges that allow each lens to fold up and down. The TR90 wrap-around rigid headband is durable for long-term wear. - Use scenarios: - Watching mobile videos or TV on a phone or tablet at home, on the couch, or in bed, with easy access around the neck when not in use. - Completing long computer or device screen sessions with blue light protection to reduce eye fatigue. - Traveling or commuting, where the magnet and headband keep the glasses secure and readily accessible without risk of misplacing them.