1、REDUCE EYESTRAIN: Blue light blocking glasses are designed to reduce eyestrain, perfect for those who spend hours on computers, smartphones, or tablets. 2、BLUE LIGHT PROTECTION: With coated lenses, the glasses effectively block harmful blue light emitted from digital screens, protecting your eyes from potential damage. 3、STYLISH RECTANGULAR FRAME: The fashionable rectangular frame design is perfect for matching with all outfits, adding a trendy touch to your eyeglasses collection. 4、WIDELY USED: Blue light blocking glasses are suitable for various scenarios, whether it is reading, working on computers, gaming, or watching TV. 5、LIGHTWEIGHT FRAME: Made with TR90 material, our glasses are lightweight and comfortable to wear, allowing for extended use without discomfort. Item Type: Blue Light Blocking Glasses Material: TR90, coated lens Size: Approx. 17 x 8 x 4cm / 6.69 x 3.15 x 1.57in Battery Model: LR41 Battery Type: Button cell (built in) Battery Capacity: 5mAh 1 x Eyeglasses 1 x Glasses Case 1 x Glasses Cloth 1 x Blue Light Blocking Test Strips 1 x Blue Light Blocking Test Lamp