Wide Compatibility --- The phone tripod mount can work with most smartphones with or without a phone case, Spring Design, support smartphone from 2.2- 3.93 inch wide. Cold Shoe Mount on Top --- With a universal cold shoe mount on top, which allows adding microphones, photographic lights and other equipment,perfect for vlogging. 1/4'' Screw on Bottom --- There is a 1/4'' screw on the bottom of the phone tripod mount, so you can mount it on any tripod which has 1/4'' thread. Safe and Sturdy --- The phone tripod mount is made by high quality ABS, can fix your phone firmly and sturdy, no need to worry mobile phone falls down. Super Lightweight --- The phone tripod mount is only 37g, super lightweight and portable, perfect for smartphone vlogging or videomaking. What is in the box? 1 X ST-19 Phone Tripod Mount Mount Your Smartphone to a Tripod 2 x 1/4"-20 Threaded Tripod Mounts Built-In Cold Shoe Adjustable Clamp with Rubber Grips Enhance your mobile photography and videography with this ST-19 Vlog Smartphone Tripod Mount from Ulanzi . This smartphone holder mounts to an (optional) tripod for increased stability via either the top or back 1/4"-20 threaded screw hole. For added versatility, a cold shoe on the top of the holder can accommodate a variety of compatible accessories. The mount's built-in rubber grips are engineered to hold your phone securely, and the adjustable clamp is made to hold a variety of smartphone models.