Optical system PMMA aspherical antiblue light lens horizontal field of view FOV gt100110 lens diameter 415mm dual adjustment system for interpupillary distance and object distance support wearing glasses adaptation parameters This product is currently Compatible with most 4760 inch Android and iOS smart phones on the market Interaction method combination of handle remote control and head control Front cover opening method manual opening front cover snap operation Adapt to myopia degree myopia Adjustment Below 600 degrees Interpupillary Distance Adjustment 6274mm Object Distance Adjustment 4453mm Headphone Information Speaker Sensitivity 112dBmW Speaker Impedance 32 Frequency Response Range 2020000Hz Plug Diameter 35mm Headphone plug type direct plug type