Watch as 3-Year-Old Grayson Clamp Hears His Dad’s Voice for First Time [VIDEO]

"Daddy loves you." Those three little words were the first ones that 3-year-old Grayson Clamp heard when doctors activated an electrical implant device that stimulates Grayson's brain, and simulating hearing.

Clamp was born with no hearing nerves in either ear, causing total deafness.

Video (below) of Clamp hearing for the very first time shows the shocked look on the toddler's face, as he drops his toy and immediately tries to to located the source of the sound. You may need to locate a tissue before you click play!