Description of Blocking Spring Hinged Computer Anti Blue Teenagers
【RETINA PROTECTION】Anti blue glasses protect the retina by filtering out some blue light in electronic products such as mobile phones and computers. 【PC LENS】PC material features: light weight, high impact strength, high hardness, high refractive index, no pollution to the environment. 【UNIQUE PC GREEN FILM LENS】The light transmittance of PC raw material is 90%. We can increase the transmittance to 91.2% by plating green film, which greatly improves the optical clarity, anti reflection and no double shadow. 【COMFORTABLE】Spring hinge increases the opening and closing performance of glasses, which is better than fixed glasses, so that the glasses legs can be opened and closed better and wear more comfortable. 【AFTER SALES GUARANTEE】We promise 30 days refund, lifetime warranty, 100% risk-free, you can try without any risk! If you have any questions, don't hesitate to consult the seller directly. We will serve you wholeheartedly until you are satisfied!