SPIRO® CARD X is a powerful personal protection system against electromagnetic fields for those who constantly transit through highly polluted spaces, such as public places, parks, shopping malls, office buildings, hospitals, etc. This product has a range of 6.20 feet (1.90 m) radius, and you can take it with you wherever you go in your purse, pocket, or purse. Laboratory tests have shown that this electromagnetic protection system is fully compatible with electronic and wireless devices, optimising their operation, connectivity and extending their useful life.