Weight; 158/5.6 (oz) Size; 156mm* 101mm*88m Distance; 45mm Interpupillary distance: 58.5-70.5(mm) With 4.7-6.53 inch screen mobile phone experince the best effect, compatible with 600 degrees below the myopia population. the higher degree of myopia users recommend wearing glasses to watch, the experience of this product depends on the resolution of your mobile phone.