wifi router guard cover blocks rf radiation

{"cid":"91225918","title":"Maxsharer EMF protection Router Guard Cover WIFi Shielding Adjustable Sleeve Block EMF Waves","imgUrl":"https:\/\/img.chinax.com\/nimg\/eb\/01\/72d8961dc36d8a98d5eafb1234c3-200x200-1.jpg","attrs":{"Price":"$5.70-9.50 \/ piece","Brand Name":"Maxsharer","Minimum Order Quantity":"20 pieces","size":"29*37cm,35*40cm","MOQ":"20PCS","Product name":"Router Guard","Function":"EMF, Anti-radiation,,grounding, EMF Protection","Place of Origin":"Guangdong, China","Type":"EMF protection products","Item NO":"EMF0201","package":"OPP bag","Material":"Copper nickel fiber fabric","weight":"30g","Usage":"cover your WiFi Router with the antenna with the Router Cover"}}