The prospect of disconnecting from technology for even a single day frightens many. All these technologies that are a part of everyday life -- smartphones, tablets, laptops, smart watches, omnipresent WiFi signals -- emit small amounts of non-ionizing radiation. That causes panic attacks for some people because there's research suggesting this radiation might cause infertility in men or even cancer. Though, any evidence for the latter comes with a bevy of caveats.
The folks at Spartan think your concern is valid. However, they don't think you should have to change your habits because of your concerns. They think you should just change your underwear.