The HamiltonBuhl Primo childrens headphones feature noise-reducing earcups allowing students to clearly hear their lessons, and protect from unnecessary and distracting ambient noise as well. Made of ABS plastic, with chew and kink-resistant Dura-Cord and 3.5mm stereo plug, these classroom headphones are rugged and reliable, making it a versatile unit to connect to almost any audio device: tablets, smartphones, computers and more. This item includes a kids headphones pack of 12 in red color.