Description:Does not need personal eyeglasses, people with myopia under 600°or hyperopia under 300°can enjoy this 3D VR headset very well by adjusting the PD&OD;Headphones plug: 3.5mm diameter general plugUseful tips:A. Get a good 3D effect video/game. All VR requires left-right format 3D effect videos, get a brilliant one; )B. Put your cellphone in the middle of the panel to avoid blurred image or eyes tiredness(align the split line of split screen with the middle line of VR's glasses tubes), plug the headphones;C. Put VR on head and adjust wear band, headphones to find a best comfortable place to fix, so that it will keep the VR on place well;D. Adjust PD&OD until you fine a clear watching image, we suggest focus on adjusting one eye first and then another; slightly adjust the place to keep the VR on your face will help in finding a best view as VR works best when both your eyes, VR's glasses and phone screen are properly aligned;E. Also, eyes take some time to get used to it after wore on, pls allow some time for it;F. Phone size in 4.7-6.0” with resolution above 1080P will get a more shocking view;Packing List:1 * VR GlassesIf you have any questions about our products, please contact us by email, we will reply to your email within 24 hours