Fully Stock Your ClassroomKeep your classroom or remote learning setup fully stocked with this set of 50 packs of HY857 wired headphones, each headphone individually packaged and sealed for easy distribution. Adjustable Headband DesignComfortable classroom headphones have an adjustable headband that fits adults and children well, ABS plastic material makes the headphones lightweight and portable, offering strong resistance to twisting,this allows you to feel no discomfort even if you wear it for a long time. Comfortable And ReliableThe kids wired headphones are made of soft skin-friendly ear pads for extremely comfy wearing, premium thickened cable which can withstand pulling and tangling, which are elastic, durability and not easy to break, flexible materials are suitable for repeated applied by children. Wide CompatibilityThese on ear wired earbuds are compatible with 3.5 mm jack devices, also suitable for most phones, laptop, players, CD players, fitness equipment and