VR experienced with only a smartphone. Immediate and easy usage possible without additional necessary equipment or components. Usage possible with any smartphone with screen size of 4.7 to 5.7 inches Easy mobility allows VR to be experienced anywhere and in any position (even while lying down). Sight adjustments allow usage by people of varying eyesight. Large-diameter, premium lenses allow for wide viewing angles without fatigue to the eyes. The flexible phone band fixes various size of smartphones to NOON firmly, allowing for comfortable head movements.