Compatible with smartphones 2.5 to 3.5' wide and built using lightweight, robust aluminum, the Smartphone Aluminum Clamp Tripod Mount with Cold Shoe from SHAPE not only holds and mounts a variety of smartphones, but also has been designed with a cold shoe mount and three 1/4'-20 threaded holes (one underneath and two on the side). Use the cold shoe mount to attach compatible devices, including a microphone or LED video light. The 1/4'-20 threaded holes can be used for vertical or horizontal tripod mounting, as well as mounting additional accessories, like SHAPE's Magic Arms.