Feature:1. Wide Application: These 5G EMF protection cell phone stickers are very useful and can be used as electromagnetic radiation blockers for tablets, mobile phones, Kindles, computers, air conditioners, refrigerators, microwave ovens, printers, washing machines, etc. They convert harmful substances into other harmless forms without blocking signals.2. Solve Problem of Poor Signal: These anti radiation stickers for phone can solve the problem of poor signal in the elevator or mountain climbing process, effectively improve the reception effect, and reduce the static electricity in ships, elevators, cars, buildings, tunnels and mountains.3. Self Adhesive: The improved stickers have their own adhesive. You can easily paste the electromagnetic field stickers on the back of the phone or other electronic devices. Because the function of the electromagnetic field protective cover can be maintained all the time, so the service life is long and you don't need to replace it often.4. Lightweight and Portable: The 5G EMF protection cell phone stickers are very light and will not make the mobile phone heavier. You can regard the electronic device radiation blocker as a label to avoid mixing with other mobile phones of the same type. They are also very convenient. You can take them anywhere.5. Anti Radiation Function: These anti radiation stickers for cell phones have the ability to reduce the impact of EMF generated by electronic equipment.Specification:Item Type: Mobile Phone StickerProduct Material: PCBProduct Color: BlackWeight: Approx. 10g / 0.4ozInstallation Type: Self Adhesive.Package List:5 x Mobile Phone Sticker 5 x Manual