Featuresr adjustable pupil distance and sight distance satisfying different groups of peopler easy to install your cell phone onto the 3d glassesr protective mat and adjustable board can clamp your phone firmlyr head mount to put around your head and enjoy a visual feast comfortably allowing you staying in bed or sofa as you liker make yourself being an exclusive 3d theater with this unique smartphone glassesr suitable for android and ios smartphones that screen between 356 inches