[New version] Growstar 3D VR Glasses Virtual Reality Headset with Adjustable Straps for 3.5-6.0 inches Fits Smartphones and Mini tablets [iOS & Android]- Black Adjustable Straps: It comes with adjustable straps that fit comfortable around the head for better fixing and light weigh for more relaxing wearing. Pupil Distance (PD) and Focal Distance (FD) both can be adjusted to get the best 3D immersive experience. Pupillary Distance adjustment range: 55mm - 75mm. For those with short sighted better use less than 600 degree while using our product and without wearing glasses.Myopia can directly wear glasses. Wide Compatibility: Comfortably fits the 3.5-6.0 inches Smartphone, highly recommended for smartphones size 4.7- 6.0 inches, such as Google Nexus, iPhone 6, iPhone 6 Plus, Samsung LG Sony, HTC and more. Eyes and radiation protection: Our products offer a eyesight's protection against the side effects. You can enjoy your watching movies or playing games for a long time with the resin lens without feeling any visual Fatigue and Dizzy. Charging while using: For more smartphones nowadays can be charge through the holes of the 3D VR GLASSES from the right side. For more confidentiality the 3D VR holes make you easy to use your phone's headset.