Califone HPK-1520 Titanium Series Headphones

the titanium series of headphones and headsets from californ is by far our most rugged and technically innovative of any we've ever offered there are a total of six configurations there are two new headphone combinations and two new headsets coupled with four cords making a total of six models both the headphones and headsets themselves are made from same rugged abs plastic many of our other models are made from for classroom durability see the ear cups are much cleaner than anything we've offered previously and this helps make this the highest ambient noise rejection of any we've ever offered so the students will hear only the desired audio and helps keep them on task the cords in the series are detachable with a unique five pin configuration the cords themselves are by far our thickest ever offered most rugged and come with a choice of either dual 3.5 millimeter for the headsets or a