There seems to be a headphone for every purpose nowadays. You have headphones for the gym, headphones for the plane, and even earbuds that work underwater. There are also headphones made especially for the little ones in your life, although the choices are limited. Given the concerns over audio volume and hearing damage, it's not terribly surprising that headphone sets for children are few and far between. Luckily, more and more headphone manufacturers are taking advantage of volume-limiting technology to offer child-friendly models. One such company is Ultimate Ears, which has released the Loud Enough Earphones, a $40 pair that comes in a variety of colors. Read the full review.