Here is my review for your product:

Pros:

• This device can help us to maintain our temperature
• It is a very clever idea
• The design of this watch is cool too
• It is small and light

Cons:

• Nothing for this hunt

My comment:
I appreciate its cooling method

For this product, I like to mark it as
8.4/10

Good work on hunting, thank for bring us a good product

(Please noted that it is my personal opinion only)