FIT TO SMARTPGONE BELOW 15cm designed to shoot DSLR camera&Small size Camcorder,can use with smartphones size below 15cm if the camera lens are long/heavy,suggested use the tripod WIDE RANGE OF USESupport Smartphone Android and IOS System Teleprompter apps.MAKE SHOOTING SMOOTHThe teleprompter can help the speaker read the manuscript while in the face of the camcorder,let the speaker is looking more friendly in the front of the avdience,and the filming purpose achieved QUICK & EASY SET-UPSmall size portable teleprompter for small footprint and easy transport;Your camera will not photograph the text in the video,but the one who is being filmed can speack refer to the manuscript,not affect video quality