Very similar to this Chinese one i've waffled over for a while now....
http://www.alibaba.com/product-gs/567262877/Waterproof_HDMI_1080p_hd_helmet_sports.html?s=p
Running Dyna beads in my Wing, and i'm pretty much sold that they are helping the ride, balance. Still running E3's and so far, as aggressively as i ride i'm seeing good tire performance.... Only time will tell...