Griffin and Crayola have announced a new lineup of co-branded headphones and cases. Debuted at the 2012 CES, the MyPhones volume-limited headphones and earphones are capped at a peak volume of 85 dB or lower—the maximum level recommended by a variety of auditory health organizations. The over-ear headphones come in two color combinations—pink/purple and blue/green—and come with stickers and markers for customization. They…