High quality adjustable positioning lens systems for viewing High Definition quality 3D videos and games. Lenses are vacuum-ion plated capable of blocking electromagnetic radiation. 0.40mm diameter HD Optical resin lenses with Anti Blue Ray coating reduce deformity, remove glare and prevent eye fatigue. Patented truly unique design with independent research and design development. Unique design for convenient head positioning and long usage. Perforated PU materials for summer sweat evaporation while watching a movie for a long time, easy to clean & environmental friendly materials. Adjust your suitable focal distance by rolling the adjustable wheel from a range of 52 mm - 65mm. Object distance adjustment is supported from 65 mm - 75 mm distance. Glass is suitable for Myopia below 700°. FULLY COMPATIBLE WITH 3.5-6.0" INCH SCREEN SIZE ANDROID AND IOS PHONES (THE MAX LENGTH (L=160MM X W=79MM X T=8.5mm). All Slim Phones with thickness up to 8.5mm are compatible. CURVED BACK PHONES LIKE MOTO G, G2, G3, G4, G4 PLUS, MOTO E, NEXUS 6, ONE PLUS ONE, ONE PLUS TWO, MOTO X PLAY, XPERIA T2 ULTRA ARE NOT COMPATIBLE. Silica based Gel Absorption for secure locking of Smartphones. Allows easy alignment to centerline with smallest amount of pressure. Convenient Side openings for easy access to Audio port of Smartphones.Viewer Code is available for paring.