Feature(may vary by option.)

●Hand wash only
●Helps prevent 4G, high frequency 5G radiation
●Ideal Fabric
●The inner head of the hat has been reduced by over 90% on average
●Applicable people: For shielding mobile phone interlays, microwave signals, mobile phones, smart counters, radars, military broadcasts, etc. Reduces electrostatic fabric, wireless tool shielding, electronic fabric shielding, electromagnetic radiation and electromagnetic radiation

[Free Size black]

Description

Specifications:
Product Name : Sun Visor
Fabric composition: inner silver fiber
navy
Hat Depth: 12cm/4.7"
Frequency interval: 10 MHz-40 GHz
Skating Effect: 49, 1 db-71, 4 db
How to clean radiation resistant products:
1. Wash protective clothing lightly and avoid radiation, do not use washing machine.
2. After washing, do not push out and lift it out from water to dry.
3. Water temperature should not exceed 90 degrees.
4. Iron is common, temperature does not exceed 150 degrees,
5. Do not bleach or use cleaning products containing whitening ingredients.
This course has
1 x electromagnetic radiation protection cap.