Material: ABS spherical resin lens,Website:://.cbtgdesign.com,more clear and three-dimensionalVirtual screen: 3.5-6'' LCD Screen inch mobile phonesResolution: Based on the film sourceColor Bit: Based on the film sourceScreen Type of phone : 3.5-6 inchVideo : Left-right 3Dfocal distance :can be adjustedPupil Distance  :can be adjustedMax size fit : 15.4 cm x 8.2 cmMyopia: less than 600 degreeOther Features Head girth: 20~40cmDimensions: 200*142*150mmNet Weight : 420gGross Weight: 560gCompatibility: IOS and Android1. It is new developed 3D zoom glasses for mobile users2. You can enjoy an Easy 3D life via a normal mobile without 3D function3. IMax experience at home, at office, at park, by train, by bus, by airplane, at any time and any where4. Best for 3.5-6 inch mobile phones5. Headset style, convenient and portable6. Light weight design, no pressure feeling7. Easily and simply assemble and disassemble8. Can adjust IPD and sight