Safe Volume Control: Protect children's hearing from noisy environments, encouraging children to engage in learning by making them more enjoyable and comfortable with 85dB/93dB volume control. Kid-friendly Comfort: Optimizing comfort for children, soft earpads are designed to provide optimal comfort for long periods of online learning. Excellent Durability: Rugged resilient plastic shell & nylon-braided cable have been designed to ensure enhanced durability, even when yanked on. Space-saving Design: Fold up the headphones, neatly twist the cord, and efficiently be on their way. Universal Compatibility: The widely optimized for compatibility with most devices featuring a 3.5mm jack. Ideal for Gift: Great as a gift, KH01 wired headphones are ideal for online learning.