Virtual Screen Size: < 50" 3D Glasses Type: google cardboard glasses Place of Origin: Zhejiang, China Product name: VR cardboard glasses Usage: Watching 3D Movie Color: OEM Material: Corrugated paper+cardboard Function: 3D Games Movies Item: VR cardboard glasses Compatibility: IPhone+Android Lens: 34 mm or 37 mm Size: 145*95*60mm