WHAT’S INCLUDED: You will receive 30 pcs black kids headphones for school, each headphone equipped with 3.5mm headphone cables, sufficient quantity enough to meet your daily use and replacement needs. ADJUSTABLE HEADBAND: This wired headphones for school has an adjustable headband design, which can better meet the needs of different groups of people, such as children, teenagers can adjust the length of the headband to make the ear pads more stick to their ears, not easy to fall off to improve the use experience. COMFORTABLE AND PORTABLE: This school headphones bulk is made of sponge and soft ear pads to make the wearing process more comfortable, and the shell is made of hard plastic, which makes the headphone very strong and not easy to damage. The small size design is more space saving, easy to carry, and a variety of colors are more popular. REPEATED USE: The bulk headphones for classroom is made of flexible plastic, this special material has very good flexibility, can be bent at different angles, and the strong material can make the earphone work for a long time, to achieve the effect of reuse and extend the service life. UNIVERSAL JACK: Each classroom headphones is equipped with a 47 inch long headphone cable, containing 3.5mm jack, can be compatible with most computers, mobile phones, media players, listening console and other devices, very suitable for use in schools, classrooms, libraries, gyms and other places. Color Black Brand Name Anrgterg Model Name classroom headphones Unit Count 30.0 Count Item Weight 2.07 Kilograms Manufacturer Anrgterg Model Number DRD-30PCS BuiltIn Media 30 PCS Bulk Headphones for Classroom Noise Control None Earpiece Shape Over Ear Headphone Jack 3.5 mm Jack Frequency Range 20Hz - 20,000Hz Number of Items 30 Compatible Devices Computers, Mobile Phones, Media Players, Listening Consoles Enclosure Material ABS plastic, sponge Additional Features Adjustable Headband Warranty Description 2 Year Manufacturer Age Range Description Kid, Teen Customer Package Type packs Connectivity Technology Wired Headphones Ear Placement On Ear Specific Uses For Product General Use Headphone Folding Features On Ear