Fazup Protect yourself from cell phone waves! Eliminates or reduces sensations of discomfort (headaches, overheating, tinnitus...) Recommended by GPs Efficacy proven in the laboratory 1 protective plaster + 1 positioning system + 1 non-stick stick Fazup reduces exposure to waves emitted by smartphones by up to 99%. This Extra patch contains a passive silver antenna that regulates the phones wave emissions. This adjustment is controlled by placing the patch on the back of each mobile phone as close as possible to its integrated antennas. The precise position of the patch has been studied in the laboratory for each compatible mobile phone, to ensure that wave emissions are significantly reduced without negatively affecting network reception. List of compatible phones