⭐️Material: ABS + resin ⭐️Lens: aspherical resin lens ⭐️Lens diameter: 42mm ⭐️Analog viewing screen (inches): 3 times the screen of the mobile phone ⭐️Horizontal Market Corner (FOV): 90-210° ⭐️View mode: dual display ⭐️Special features: support to wear glasses to watch distance between objects and double adjustment system ⭐️Compatible: Most Android and IOS smartphones with 4.5-6.0 inches ⭐️Interactive mode: combination of handle remote control and head control ⭐️Adapt to myopia: 400 ° (400 ° or more can wear glasses) ⭐️Adjustable distance (mm): 55-72 ⭐️Adjustable object distance (mm): 55-70 ⭐️Additional features: 3D viewing drama game space