Total 50 Pairs of More 12 colours to choose for from Connectivity Technology: Wired, Durable Bulk Earphones for Kids Pair with Chromebook Kindle Computer Laptop Phone or Tablet It's smaller than adult ear buds more comfortable and light Enjoy clear sound on the go,Music, multimedia videos, online courses, etc Yoley Service -1 Year Hassle Free limited after service and quick response customer service,if you have any questions when using, feel free to contact us via email or through the contact information on the instructions.