Adjustable grip fits smartphones between 2.1-2.8 in | 54-72mm wide.</br>Portable design for on the go: lightweight and pocket-sized form that can also attach to key ring or camera bag. (lanyard not included)</br>Reliable grip on phone: rubber pads secure device in place?? even when turned sideways.</br>Secure hold after repeated use: durable polycarbonate-ABS plastic construction with steel internal s