Anti-Blue Light Folding Glasses.

Maintain healthy eyes by reducing exposure to harmful blue light emitted from screens. Filtering out and reducing exposure, these glasses help reduce eye fatigue & improve sleep.

Dimensions:  3.3" x 1.7" x 1.4" 

Materials:  PC, iron

Designed to filter out or reduce the amount of blue light emitted by electronic screens, such as computers, smartphones, tablets, and televisions. Blue light is a high-energy, short-wavelength light that is emitted by these digital devices and also occurs naturally in sunlight.