Singing shoes / shoes

This shoes which inosculates the music and the dancing is designed for the children.
Kicking the bottom in the front of the shoes,it will play the music and the children will dance following the cadence. One kicking ,one song is played. Kicking again it will show another song.
In the heelpiece,it is the USB connector be used for connecting with the computer to recharging the battery and changing the songs.