Magical Thermal Sensor Color Changing Phone Case

It’s made of the environmental PC material, non-toxic and no damage. Thermal color changing belongs to physical changes, not a chemical reaction, therefore there is no harm to the human body. The color will change when the temperature around over 35 degree centigrade and restore the original color after cooling. Precise cut and design, quick and easy access to all ports, sensors, speakers, cameras and all features.