У вашего броузера проблема в совместимости с HTML5
Updated November 2016: https://www.youtube.com/watch?v=WDUAHDW-WKA This is a preview of my iPhone flip out gun mount, I put it together a while ago now and was pretty easy to make. It attaches to any standard picattiny rail device and its been used many times. Filmed using the Pivothead Recon's. Enjoy