The Hum Kids starter kit retails for $14.99 and a two-count replacement pack retails for $3.99 at the Colgate-Palmolive website, Amazon, Target, and select national retailers. The Hum Kids app from ...
Two millennial-focused tech-dependent brands -- Hum by Colgate, a smart electric toothbrush, and Obé Fitness, a digital workout platform -- have teamed up on app content. Starting June 11, Obé will ...