[You will receive 10 different colors of student headphones they are enough to meet your daily use and replacement needs you can also use the kids headphones in schools libraries classrooms airplanes The headphones come with a 4 feet cable and a standard 3.5mm headphone jack making them compatible with a wide range of devices including cell phones laptops PCs desktops MP3 players tablets and fitness and audio devices The corded classroom headphones are designed with an adjustable headband for kids. The headband is flexible and bendable making it difficult to break and easy to fit to your head size. The ear cups can be rotated 90 degrees for easy stacking and storage These kids headphones are made of high-quality material that is soft and comfortable to wear for extended periods. They are lightweight portable and unbreakable making them perfect for long-term use. They are ideal for use in various settings such as at home work or school Customer Support : If you have any questions please contact us through the Amazon email We will Reply You in the first time]