Individual Wrapped Bulk Headphones: the package contains 18 packs of bulk headphones that each is wrapped individually in a bag, sufficient to use as class sets of headphones for students to meet demand, available in classic colors to match many personalities; 90 degree rotating and folding storageSoft and Comfortable: our student headphone"s earmuffs are made of PU leather and soft ear pads for a comfortable fit; It provides clear sound at the maximum sound between 95-101 decibels that doesn"t feel harsh for everyday use; Color will attract children"s attention and be lovedAdjustable over Ear Headphone: on ear earphones in bulk for classroom are adjustable to fit your head well, lightweight and easy to carry, which not easy to fall, suitable for most kids, girls, boys and adults, also a party favor as a reward gift for events or festivalsPractical and Reliable: classroom headphones for kids are made of ABS shell, headphone cable is made of PVC, approx. 1.2 meter/ 3.94 feet long, not easy to corrode, serviceable and not easy to break, sturdy, headphones for students are not a disposable earphone, it can be applied repeatedly for a long timeVersatile Headphone Plug: on ear earbuds are compatible with 3.5 mm socket devices that work with most phones, computers, laptops, fitness equipment and are a good choice for classroom use and school testing, centers, hotelsFeature: Adjustable student headphones bulk classroom are lightweight, 90 degree rotating and folding storage, easy to carry, provide clear sound and come with soft ear pads for a comfortable fit, which can block outside noise to a certain degree, reduce tiredness on planes, trains. Class sets of headphones for students are reliable and practical, each kids headphone individually packaged school headphone for classrooms, planes, hospitals, students, children and adults. Specifications: Material: ABS Color: as the pictures shown Headphone size: approx. 15 x 18 x 3 cm/ 5.91 x 7.09 x 1.18 inches Headphone cable size: approx. 1.2 meter/ 3.94 feet in length Package include: 18 x Headphones in bulk Warm notes: Please allow slight size error due to manual measurement. The colors may exist slight difference due to different screen.