Description : EMF Hat Beanie, 5G Anti-Radiation, Radiation Protection, Brain Coat, RF Shielding Block WiFi 100% Polyester Elastic Closure Sheilding Hood/Hat blocks radiation from cell phones, wifi, laptops 99.9% effectiveness Protect you and minimise your radiation exposure. It provides EMF radiation protection Shielding Hat is well designed to protect your head from radio frequency (microwave/wireless) radiation from wi-fi routers, cell towers, mobile and cordless phones Efficiency of 99.9% Shielding Effectiveness (~50dB) |