Experience the powerful Altec Lansing sound at a kid’s safe volume. With 85dB of volume limiting technology, your child will be able to listen along to their favorite song or movie at a volume that will not affect their growing ears. With up to 4 hours of battery life, these headphones will last during your entire road trip or plane ride. Drained battery? No problem, the Altec Lansing Kids Friendly Headphones have a wired auxiliary headphone option to extend their listening!