Designed Specially for the ClassroomChildren need tools for learning and schools need them to withstand the rigors of the classroom. V7 Safe Sound 2 headsets are built to fit children and specially tuned for use with educational applications.Safe Sound 2 headsets include an outstanding range of features including antimicrobial construction, replaceable braided cables and adjustable acoustic output control designed to protect a student's hearing. We've even tested Safe Sound 2 to military durability standard!Each Safe Sound 2 headset includes both a 3.5mm Mini-phone cable, a combination USB-A/C cable and ships in a resealable storage bag.