[PROTECT YOUR EYES WELL : Laptops tablets and smartphones have become more and more integrated into our daily lives. Alleviates visual fatigue and discomfort from long periods of web surfing gaming and working under fluorescent lights with UV400 protection and glare reduction BLUE LIGHT BLOCKING LENS : Our blue light blocking lens are made from lightweight poly-carbonate which blocks the harmful blue light. Say goodbye to the headaches and eye-strain driving you crazy with our computer glasses LIGHTWEIGHT TR90 FRAME : Ultra-lightweight and flexible TR90 nylon frame material for durability and comfortable long-term wearing. Casual frame design keeps you looking professional and stylish while working or playing video games "REDUCE EYESTRAIN and SLEEP BETTER : Enjoy your digital time NO worry about eye fatigue blurred and headache. Our lenses block harmful blue light and see realistic. Youll never have trouble with sleeping again." Customer Service : You could try with our 365 Days nice customer service. In case of any broken issues please tell us without hesitation. We will solve the problem until you are satisfied]