Radiation Reducing Air Tube Headphones Reduces EMF radiation to negligible levels compared to traditional earbuds or cell phone use. Works with any 3.5 mm jack including iPhone, Android or Windows phones 99.9 percent reduction in radiation compared to holding a cell phone to your ears and a 97 percent reduction in radiation compared to ordinary headphones. Built in mic offers clear sound for taking calls while keeping your phone safely away from you. Includes an additional set of silicone buds for smaller ears. Enjoy music or talking on your cell phone without the worry of EMF Radiation.