The PC Matic Super Shield was developed by PC Matic, a company based in the United States. It is one of a few products that claim to block out harmful electromagnetic fields (EMF). The product comes in two flavors:
The advertising slogan of the product is "PC Matic Super Shield"
The PC Matic Super Shield uses the same technology as the Apple iPod Nano; it is constructed from soft plastic and has a capacity of about 50 MB. It has an LCD display and it can be used with a USB cable supplied. The price of the product varies but is generally between $50 and $100.