24-Month Hassle-Free Warranty, Easy to Reach Customer Service. ?Poweful Universal Compatibility ?headphones kids support all 3.5mm jack devices,which can compatible with smartphones, laptops,desktops, kindle, computers, pcs, mp3, mp4, ipad car DVD player, etc. ?Durable and Tangle-Free?Come with a 4.9 ft cable, The nylon cord is braided, durable, and tangle-free. High-quality ABS material, so that the earphones can be twisted arbitrarily, very durable. ?Foldable & Portable?The folding design of the on-ear headphones kids minimizes storage space, whether going to school, traveling or playing, kids can easily carry and store it. ?ergonomic design ?Adjustable headband and swivel earmuffs, can let you get a perfect fit for your head shape, for children or teenagers over 3 years old, even adults. ?Built for Comfortability?Kids headphones has memory soft cushions and protein leathe, with a soft touch finish, skin-friendly and breathable. weight is only 0.3lb, thus your kids won't feel tired even for a long-time wear. ?Hifi Stereo Sound ?built-in 40mm audio driver to ensure excellent sound effects, volume control technology ensures the sound is below 94dB, within the recommended level for safe hearing of children. Made of sound-insulating material, the earmuffs can prevent ear damage from environmental noise.