- Secure and quick removal: The exclusive front magnet connection, combined with a permanent rigid headband, lets you take the glasses off quickly. When not in use, they rest comfortably around your neck for easy access. - Eye protection for screen use: Designed to block harmful blue light from mobile devices and screens, helping relieve eye fatigue and protect vision health during extended viewing. - Adjustable and form-fitting: All frames feature an adjustable fit. Simply pull to adjust the length for a precise fit. The temples are adjustable and can be fully closed or extended to accommodate a range of sizes. - Durable construction and reliable hinges: Lenses are high-impact acrylic for durability. The system uses strong neodymium magnets and 180-degree hinges that allow each lens to fold up and down. The TR90 wrap-around rigid headband provides long-lasting wear. - Practical use scenarios: - Watching videos or streaming on a phone, tablet, or small screen: keep the glasses handy around the neck when not in use, with magnets securing them in place. - Long work sessions at a desk or on a computer: wear to reduce blue light exposure and eye strain, with a customizable fit for comfort. - Travel, commuting, or leisure time: easily access or stow the glasses around the neck, maintaining readiness without clutter.