Effectively absorbs and eliminates radiation from your favorite electronic devices Works with all electronic devices and Wi-Fi devices such as mobile phones, laptops, tablets, etc. In addition, it can also be used in household appliances such as refrigerators, microwave ovens, and air conditioners. EASY TO USE: The stickers are held in place with self-adhesive backing. Widely Applicable: EMF protective stickers apply to all electronic devices and Wi-Fi devices, such as mobile phones, laptops, tablets, etc. In addition, you can also use them on household appliances such as refrigerators, microwave ovens, and air conditioners. Our EMF blocker is always effective and protects you from cell phones. It can be attached to the outside or inside of the mobile phone case, which is very convenient. Colour:As Shown Material:Metal The actual product may have slight color difference or difference, which not affect the use Package Contents: 1 set * Anti-radiation mobile phone sticker Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.