Great Hunt Dear !
Pros:
1- This Solar ear are looking really cool and also secure for the hearing impairs.
2- Now a days solar products are making huge impact because it can save energy from sun and reduces lots of cost.
3- This solar ear is harmless.
4- Due to Solar Ear the battery charging problem is gone.
5- So the people with the hearing impairs will be comfortable.
Cons:
1- None