This is really a "cool" item! Very rare.

Pros :

• a device that reads and talk is an incredible gadget specially for visually impaired person like me, i need that product too.
• a gadget that can memorized faces is really awesome too!
• i give 5 star for this amazing gadget.

Cons :
With a price of $4,500 its really fit for the amazing gadget, but not affordable to some visually impaired person.