EMF Blocking Liner Hat Radiation WiFi Signal Shielding Protection Hat Adjustable
Feature: \n 1. SHIELDING PRINCIPLE: The induced current is generated by the loop composed of silver fiber in the fabric, the induced current generates a reverse electromagnetic field for shielding, and reflect the electromagnetic wave.\n2. COMFORTABLE FABRIC: The appropriate fabric ratio ensures a snug fit without tension, with a certain degree of elasticity, ensuring soft and comfortable wearing without easy detachment.\n3. ADJUSTABLE SIZE: Equipped with a hood adjustment buckle, 58\u201164cm adjustable, with 12cm deep and 7.5cm brim, suitable for various head circumference, with a wide range of applications.\n4. RADIATION BLOCKING: This hat can effectively block the radiation of mobile phones, computers, signal towers, Bluetooth, smart meters, and WiFi, with gentle wrapping, safe and long lasting.\n5. WIDE APPLICATION: This EMF protection cap is suitable for men and women, simple and generous, suitable for daily life, outdoor shopping, office, leisure, fitness and entertainment, et:
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