Premium headphones, designed for kids 3 and up Up to 30 hours battery life for nonstop listening Maximum volume of 85dB* protects kids' ears Built-in microphone Compatible with popular distance-learning apps and devices Intuitive controls are easy for kids to use Durability tested to withstand 3,000 uses, surviving spills and accidents Fun stickers included 3.5mm aux cable included for wired connection USB-C fast charging brings up to 3 hours of playtime with a 10-minute charge (cable included) 2-year warranty