The company offers the owners of RF Laserworks the iPhone to check your mood along with their new cover.
Cover is a thin heat-sensitive film that is glued on the back cover, it changes color depending on temperature. The material of the film is able to respond to fluctuations in temperature in the range of 32 to 35 ° C. The film is black (cold), red, yellow, green and blue (hot).
It is best to cover the iPhone will respond to warm hands, playing music, phone calls.
It should be a fun $ 12.
Source: ®