About this item Upgraded USB-C Connector for School: Kids headphones designed for various mobile devices and PCs that use Type C headphone jacks, featuring a stylish appearance and easy operation with no USB converter requiredjust plug and play. These headphones provide a comfortable wearing experience for boys and girls over 3 years old. (Note: Not compatible with USB-C charging port) Clear Stereo Sound: These wired Type C headphones use a high-quality audio chip for excellent sound quality, featuring a built-in 40mm audio driver. The stable and clear sound will not hurt children's hearing, making them the best companion for online classes, watching dramas, listening to music, and chattingwhether on the road, at home, or at school. 85/94dB Safe Volume Limit: With 32 million children worldwide suffering from hearing loss60% of which can be preventedthese headphones allow programming to reduce harmful volumes over 85dB or to switch to 94dB for clearer listening in noisy situations. Over