Features:<br> Made of solicone, mineral elements and negative ion layer, it effectively absorbs and eliminates the threatening 5G Wi-Fi and EMF EMR waves generated by electronic devices, preventing electrical pollution while making your device look cooler.<br> Self-adhesive sticker, you can easily stick it on the back of your phone or other electronic devices, and it is convenient to use.<br> It can not only protects against threatening electrical pollution but also helps extend battery life, stickers can help improve the battery's function when charging or discharging, increasing battery capacity and lifespan.<br> Special materials to absorb and transmit electromagnetic radiation waves to reduce the damage of phone radiation to the human brain up to 99%,will not interfere with phone signals, especially benefical for kids, pregnant or women who planning to have a baby.<br> Wide range of applications, can be attached to tablet computers, cell phones, computers, refrigerators, TVs, air conditioners, microwave ovens, printers, hair dryers, washing machines, etc.<br> <br> Specifications:<br> Material: Silica Gel+Negative Ion+Self-adhesive Sticker<br> Color: Gold<br> Diameter: Approx. 28 mm/1.10 inch<br> Function: Protect Cell Phone From Radiation, Save Phone Electricity, Contain Negative Ion Energy<br> <br> Note:<br> Please allow 1-2cm errors due to manual measurement,pls make sure that you do not mind before you mind.<br> Due to the difference between different monitors, the picture may not reflect the actual color of the item.<br> <br> Package includes:<br> 1 Piece Anti-radiation Phone Sticker