Rice drying electronics has been disproven dozens upon dozens of times, I don't know why this claim still gets thrown around. And this pouch is just silica gel in a pouch for too much money.
The brand-new UAG Phone Rescue Pouch is designed to replace the bowl of rice in an emergency and dry wet smartphones in no time. This is intended to extend the lifespan of smartphones. UAG also offers a version for completely wireless earbuds.