stress test card : Professional quanlity and best price . It change color according to mood and temperature

stress test card, one of the most favorite items for promotions, shows the state of blood circulation, which can also reveals the stress accumulation. When the sensor color is blue it means calm, when green it means normal, red stands for tense and black for stressed.

1.  Size:85mm X 54mm

2. OEM is available

3. all design is available

stress test card , mood card, pressure test card