Smartphone holder, tripod stand attachment holder, tripod adapter. It is used by attaching it to a tripod, monopod, selfie stick, etc. Compatible with all smartphones, regardless of iPhone or Android. Long type for large screens (supports widths from 5.8cm to 9.5cm) There are screw holes on both the side and the back, so it can be used in either vertical or horizontal orientation. 【Specifications】 Size: ‎14.5 x 8.2 x 3 cm Material: Plastic Screw hole diameter: 1/4 inch