English 
Product Name: VR-BOX VR-CASE/
Product material: ABS+PC
Lens / light transmittance: 33.5mm diameter aspheric optical resin lens
Deformation / magnification: 1.5-2 1%-2% times
Simulation of viewing records: 3 meters can be watched 1000 inch big screen
Visual angle: 70-90 degree
Support mobile phone / system: 3.5 inches -6 inches / Android IOS /Win ios