Large Quantity for Use: you will receive 100 pieces ear wired headphones, each ear headphone is wrapped individually in bag, such a large quantity is suitable for use as class set of headphones for students to meet demand Soft Wearing Experience: red ear earbuds are made of soft silicone and are comfortable enough to sit on the ear, and don't have a built in microphone; Providing clear sound that does not feel jarring and is suitable for your everyday use Reliable and Trustworthy Material: cable of basic classroom headphones are made of PVC material, 35.43 inches/ 90 cm long, not easy to break; Bulk ear buds headphones for students are suitable for classroom to use for a long time, practical and convenient Universal Compatibility: wired basic student earbuds are compatible with 3.5mm jack devices that work with most phones, computers, laptops, fitness equipment and are a nice choice for classroom use and school testing, centers, museums, hotels Multiple Usage: comfortab