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RF Shielding Frequency range: 9KHz-40GHz
A simple and easy solution to block radiation from wireless technologies
unlike inferior alternatives
(Do not use acidic detergent or laundry detergent)
Metal Fiber EMF Radiation Protective Hooded Zipper Vest maternity RF Shielding Frequency range: 9KHz-40GHzThis hoodie is the latest innovation in the world of EMF protection apparel. Features: Frequency range: 30MHz 18GHz. Shielding effectiveness: 12. 2dB 49. 4dB Metal fiber fabric composition: 41. 8% cotton, 32. 1% polyester fiber, 26. 1% metal fiber. [NOTE]: The maintenance method of metal fiber: Metal fibers are tough, and folding in a short time will not damage them, but long term folding and extrusion will produce metal fatigue and affect the metal
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