Features: Anti Blue Light Lenses: Blue light blocker lenses, transparent polycarbonate lens, minimize color distortion, help you filter and block out harmful blue rays. Reduce Eyestrain & Sleep Better: Blue light glasses make such a huge difference while using all electronic devices. Eyes used to get tired and sore, and that has decreased by a lot with these glasses! NO more getting watery, itchy, blurry, No more headaches !!! Get sleep better. Lightweight and Durable:Light rimless glasses are for durable and comfortable long-wearing and will not squeezing your temples or the back of your ears.Ideal for daily use. Comfy Frame: Attractive lines create an aesthetically pleasing frame appearance, and ergonomic construction provides optimal fit and all-day comfort. Customer Service: If you meet any problems about our products, please feel free to contact us, we are ready to help. We will solve your problems as soon as possible. Specification: Material: Metal+Natural Stone Weight:24g Degrees,Suggest Ages (Years) 100 Degree,45-49 Years Old 150 Degree,50-54 Years Old 200 Degree,55-59 Years Old 250 Degree,60-64 Years Old 300 Degree,65-69 Years Old 350 Degree,70-75 Years Old 400 Degree,Above 75 Years Old Notice: 1. Due to different monitors and lighting effects, the actual color may be slightly different from the image. 2. Due to manual measurement, please allow 1-3mm deviation. Include: 1*reading glasses