Pros:

• Cool invention and so eco friendly device
• It charges through your body heat! Woww
• A very simple yet so unique invention
• It has the ability to connect to mobile devices through Bluetooth
• It is also a water resistant. You wet it all you want. :-D

Cons:

• Heavily expensive
• Not so practical for a watch to buy

Still this hunt is awesome, and you are awesome! Congrats! :-)