1. Special materials are used to absorb and transfer electromagnetic radiation waves, thereby reducing the damage of mobile phone radiation to the human brain. 2. It can effectively reduce the heat of the battery, thereby improving its working efficiency and extending the standby time of the phone. 3. Sticking it to the battery can improve charging speed. 4. Can be used as a decorative sticker for mobile phones. 5. Size: 2.8x2.8cm
