OurSure is only an authorized seller for OurSure Brand products. The quality and efficacy of OurSure products is our priority. The only way to ensure you are buying authentic products is to purchase them through OurSure store at Amazon. This boxer is specially designed for shielding Radio Frequency (RF) radiation such as cell phone, wireless devices, microwave oven. The high-tech conductive textiles are lightweight, breathable, comfortable, and safe on skin. Sliver-nylon blend fabric is by far the best RF shield fabric used for apparels in the market. It offers exceptional RF/microwave shielding performance. The fabrics undergo rigorous testing and have up to 60 dB shielding effectiveness in frequency range from 10 MHz to 3 GHz and beyond.
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