Features MAIN PURPOSE: Plaster made of minerals and negative ions, which can absorb electromagnetic waves (EMF) and heat from electronic products. Wide application: can be used in various electronic devices such as mobile phones, laptops, microwave ovens, refrigerators, TVs, etc. Good protection: these patches contain negative ion energy to protect your ears, brain and body from the harmful effects of radiation and heat. Durable material: contains 6 anti-radiation stickers, excellent ABS and adhesive material, corrosion and aging resistance, long service life. Specifications: these radiation protection stickers have a round shape, shiny surface and beautiful appearance, are simple and practical. Specification: Item type: radiation protection sticker. Material: ABS Package list: 6 x radiation protection stickers. 1 x user manual (English language not guaranteed) Package List 6 x Radiation Protection Sticker 1 x User Manual