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. 1 x Eyeglasses1 x Glasses Case1 x Glasses Cloth1 x Blue Light Blocking Test Strips1 x Blue Light Blocking Test Lamp Item Type: Blue Light Blocking GlassesMaterial: TR90, coated lensSize: Approx. 17 x 8 x 4cm / 6.69 x 3.15 x 1.57inBattery Model: LR41Battery Type: Button cell (built in)Battery Capacity: 5mAh Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.