Neomark&reg; New S Version Visual Reality VR For Smartphone 3D Video Glasses for 4-7 Inches iPhone 6, iPhone 5s iPhone 5,iphone 4, Samsung Galaxy S3 S4, Note 3 Note 4,LG etc. 3D Games Google Cardboard It fits for all android or apple smartphones width under 8.2 cm and length under 15.4 cm. 3D VR Virtual Reality glasses, wonderful Real 3D Experience; The head band is adjustable.Pupil Distance PD adjustable.Focal Distance FD adjustable. Durable material and ergonomic design. Won't feel uncomfortable when using. Very easy to assemble. Open the box,put your device into the box in the correct way and adjust it according to your needs.