Music Sound in-ear headphones are designed for children, offering comfort, color and youthful style. With True Wireless technology, they are completely wireless for total freedom of movement. They ensure rich sound with powerful bass and have a case that offers up to 25 hours of PlayTime, charging the headphones up to 5 times. Compatible with smartphones, tablets, and Bluetooth devices, they connect easily through Bluetooth settings for immediate use and enjoyment of music and calls without wires.