product description:</br> Phone configuration requirements:</br> Operating System IOS 9.0 and above, Android 4.0 and above</br> Product technical indicators:</br> Freeform Reflective Optics</br> Field of view: 90°+</br> product material:</br> Host material: ABS+PC</br> Lens material: optical lens dedicated PC</br> Package content:</br> AR headset *1</br> Manual*1</br> Headtie*1</br>