• REDUCE EYESTRAIN: Enjoy your digital time, NO worry about eye fatigue, blurred vision and headache
• ANTI BLUE LIGHT: Cut 90% of the blue light. Relieving eye fatigue, dry and vision falling
• BETTER SLEEP: Reduce eye strain and headache, so you can enjoy a restful deeper sleep
• MATERIAL Frame: TR90 ; Lens: Polycarbonate (non-magnification)
• LIFETIME WARRANTY: We provide worry-free lifetime warranty and friendly customer service