Product Description 20 x Protection Sticker EMF Protection Sticker EMR Blocker Device phone sticker Product detail: Item Model: EST-201 Health benefits: scalar energy,negative ions Material:Anti-Radiation , negative ions layer Waterproof:  Yes Diameter: 4.8*3.3 Anti-Radiation Protection Shield Sticker is small and compact. Peel and stick to the back of your cell phone or to any other bad EMF emitting device 【Biological Effectiveness Scientifically Proven】: The positive effects of this EMF Anti-Radiation Sticker are not solely measured only on "physical" data. They have also been measured "biologically" through the human body by means of several biofeedback devices. Suitable for iphoneX/8, iphone 7/ 7plus, 6/6 plus, 6s/ 6s plus, 5/ 5s, ipad, etc. 【SLENDER SIZE】: The extreme fineness of this Neutralizer will please you! This avoids having a too big system stuck behind your smartphone when you put it on a table.We have managed to push the miniaturization to an even higher level. 【VIRTUALLY UNLIMITED LIFETIME】: The VersionTech EMF Neutralizer Patch works for life! (as long as the antennas remain intact). Unlike most other competing products on the market, which must be replaced by a product every year when the device becomes exhausted. And you never know when they are going to stop working. With the VersionTech, however, your peace of mind is assured. You can count on its efficiency in time. 【 TECHNOLOGY】: The VersionTech device is not a protection by alleged shielding of the EMF Radiations, nor an ordinary product using an outdated technology. For All Wireless Devices : Computer, WiFi Router, Bluetooth, Cell Phone... It brings a decrease in your overall level of stress, due to the "Antidote waves" it provides. 【ECONOMICAL& BEST QUALITY】: In addition to its very reasonable price in relation to its high EMF Anti Radiation Technology, its very long life eliminates the need for replacement every year. It is therefore a sustainable procurement that will serve you for a long time. Features: 1.Absorb and transfer electromagnetic radiation waves by using special materials and reduce mobile phone radiation on the human brain by 96.43 percent. 2. Extend the service life of rechargeable battery two to three times. 3. Quick charge and save 50% of charging time. 4. Resume the battery capacity and extend the standby time 0.5-2 times. Function: 1.against EMP 2.against EMR 3.against radiation Package includes: 20 pcs/pack Anti-radiation stickers