TCJJ Donut Earbuds for Kids connect via 3.5mm Jack. These buds come in a cute donut case and are kid-friendly. Also, as they are specially designed for kids, their volume limit damages their hearing. They support devices like PC, smartphones, gaming consoles, tablets, laptops, and all operating systems. The soft ear gels and ergonomic design give comfort to the children's ears. They ensure balanced and rich sound that makes the music experience surreal. The angular design promises a secure fit and kids can use buds for exercise. You also get a 30-day limited warranty.