The ergonomic headband fits comfortably on every child's head as it is fully adjustable and can be used comfortably by your growing child. Built-in speaker drivers deliver fully balanced sound. Soft ear pads provide a comfortable and secure fit. The ear shells have soft foam cushions for superior comfort and safety. Maximum volume limited to 85 dB for safe listening through wireless device. The device can go from 8 - 13hrs of playtime