SZYDM Unisex Radiation Protection Cap,4G,5G Anti-Radiation,RF Shielding,WiFi Radiation Protection,TV EMF shielding unisex hat,brown

ANTI-ELECTROMAGNETIC WAVE CAP SHIELDING PRINCIPLE:The fabric used in the radiation protection caps contains a dense metal mesh(The metal is highly conductive and has an electromagnetic shielding function). The metal mesh forms a safety ldquoshield coverrdquo on the whole body, which can effectively block the electromagnetic wave radiation generated by the electrical appliances 360°RADIATION SHIELDING: EMF shielding liner exceeds 99% reduction of high frequency RF and millimeter wave frequencies and is lined throughout the inside of the entire hat. Average reduction to the head inside the hat exceeds 90% SILVER FIBER FABRIC: silver-nylon blend fabric provides RF radiation shielding to 40000Hz. The EMF radiation protection liner is discreetly hidden underneath. Reduces incoming radiation by 99.9%. Ideal fabric APPLICABLE PEOPLE: Suitable for shielding cell phone towers, microwave signals, telephones, smart meters, radars, military broadcasts, etc. Electrostatic cloth, wireless instrument shielding, electronic textiles, reduce EMP and EMI radiation CARE: Silver is naturally odor resistant and rarely requires washing. If necessary, hand wash and hang dry only. Cap circumference 57cm, cap height 27cm, spread cap circumference 28cm