The display of the cooler works under Linux Mint if you use special software such as "deepcool-digital-linux". This enables the temperature display and control of the display.
Yes, the temperature display of the DeepCool AK620 DIGITAL PRO works under Linux with special open source tools such as "deepcool-digital-linux" and "deepcool-ak620-digital-linux". These programmes allow the CPU temperature and load to be monitored directly on the display. Installation requires root rights and possibly additional drivers for accurate temperature measurement.