• Made with high quality material in order to provide the best EMF protection,such as Wi-Fi Modems, Bluetooth devices in the home and car, smart meters, cell towers, microwaves, cordless phones, as well as low frequency electrical fields from sources such as electrical wires, electrical Boxes, Household Appliances and high power transmission lines.
• With three beautiful and fashional embroidery on the surface of the hat.
• Protect your from up to 99% of harmful EMF / EMR radiation from devices like WiFi routers, baby monitors, cell phones, bluetooth & laptops in daily life.
• Raw materials: Out Layer: Cotton Inner Layer: 100% Nylon(Including Silver ions),30% Wool, 70% cotton

Shielding Effectiveness: 50DB

Shielding the band: 10MHZ-5000MHZ

For the crowd: mainly, such as computers, copiers, electronic medical equipment, staff transferred electron emission, power generation and distribution systems, radio, television, telecommunications, communications, radar, navigation, stock exchange work with computers for more frequent staff .

Electromagnetic radiation:

1. computers, televisions, stereos, microwave ovens, refrigerators and other household appliances ……

2. phones, fax machines, microwave communications and other communications equipment.

3. The high-voltage wires, motors, electrical equipment.

4. aircraft, power rail, room, power industry and other equipment.

5. radio and television transmission towers, paging transmitter station. Radar systems.

6. electronic medical equipment, stock exchange, banking, telecommunications, computer ticketing, satellite ground stations, command and control centers.