5PCS EMF Protection Cell Phone Anti Radiation Protector Sticker Negative Ions EMF Blocker for All Electronic Devices Description: Reduce EMF: This sticker absorbs EMF and Counteracts harmful effects of EMF / EMR radiation generated by Electronic Devices, Reduce radiation by up to 97.17% with Radiation Shield Sticker. How it work: Radiation shield sticker releasing negative ions that neutralizes positive ions produced by electronic devices, to protect our health from EMF radiation. Widely Used: This radiation shield sticker as a EMR protector for Tablet PC, Cell Phone, Kindle, Computer, Air conditioner, Refrigerator, Microwave Oven, Printer, Washing machine, etc. It transforms radiations into other harmless forms without blocking signals! Material: Electroplating Easy to use: You can stick EMR sticker easily to the back of your cell phone and other electronic devices. The EMF Radiation Shield does not degrade! Its very long life, no need to replace it yearly, will serve you for a long time. Slender size: Light and thin enough that won't make the phone heavier, stickers avoids having a too big things behind your cell phone when you put it on a table, you can take it anywhere!Protect you and your family from radiation. Intended for: 1. Pregnant women, children, the old man, patients. 2. People who use mobile phones, computers, electronic devices often. 3. People who often use Tablet PC, Kindle, Computer, Air conditioner, Refrigerator, Microwave Oven, Printer, Washing machine, medical and office automation equipment. 4. People living or working in the vicinity of high-voltage, substation, radio, radar station, and electromagnetic transmission tower. How to use: 1. Flaking and stick to the back of the phone or any other electronic devices. 2. Some devices may require only one Radiation protection sticker, and other devices may require 2, 3, or more depending on the nature of the device. Specification: Patch size: 24mm x 48mm x 0.5mm SMD material: PET self-adhesive negative ion function film Negative ion content: 2000-2500ions Patch color: gold Functional life: 8 years Package Contents: