Pong "Leather Touch" Radiation-redirecting Case for iPad (Cobalt Blue) Reduces exposure to radiation - Reduces radiation exposure by up to 82% below international safety limits. Improves performance over any other case - Sensor-friendly design allows up to 7.1x transmitted power over all other cases. Increases speed - 3x faster cellular uploads over any other case. Built-in Antenna Technology. - A patented, wafer-thin antenna inside the case couples with the antennas inside your iPad to diffuse and spread wireless energy away from you. Independently tested and proven. - Pong is proven to reduce radiation exposure in independent facilities certified to U.S. (FCC), European (CE), Canadian (IC) and Australian (ACA) government standards.