1. With body temperature or external temperature changes, there are 12 different brilliant colors. The temperature is cyclically changing between 15 degrees and 35 degrees: black, dark coffee, light coffee, pink orange, orange red, light green, blue green, green, purple red, purple, royal blue, dark blue. The temperature is different, the color is different 2. The back is curved instead of a flat bottom, it is more suitable for use on the hanging tag on the back.
1. With body temperature or external temperature changes, there are 12 different brilliant colors. The temperature is cyclically changing between 15 degrees and 35 degrees: black, dark coffee, light coffee, pink orange, orange red, light green, blue green, green, purple red, purple, royal blue, dark blue. The temperature is different, the color is different 2. The back is curved instead of a flat bottom, it is more suitable for use on the hanging tag on the back.
1. With body temperature or external temperature changes, there are 12 different brilliant colors. The temperature is cyclically changing between 15 degrees and 35 degrees: black, dark coffee, light coffee, pink orange, orange red, light green, blue green, green, purple red, purple, royal blue, dark blue. The temperature is different, the color is different 2. The back is curved instead of a flat bottom, it is more suitable for use on the hanging tag on the back.
1. With body temperature or external temperature changes, there are 12 different brilliant colors. The temperature is cyclically changing between 15 degrees and 35 degrees: black, dark coffee, light coffee, pink orange, orange red, light green, blue green, green, purple red, purple, royal blue, dark blue. The temperature is different, the color is different 2. The back is curved instead of a flat bottom, it is more suitable for use on the hanging tag on the back.
1. With body temperature or external temperature changes, there are 12 different brilliant colors. The temperature is cyclically changing between 15 degrees and 35 degrees: black, dark coffee, light coffee, pink orange, orange red, light green, blue green, green, purple red, purple, royal blue, dark blue. The temperature is different, the color is different 2. The back is curved instead of a flat bottom, it is more suitable for use on the hanging tag on the back.
