I think these are some of your concerns! We will solve it for you~
We use perfect stitched edges to lock the material firmly in the ball. Don't worry about the material falling off inside, you and your baby can play with confidence.
Our ball is easy to activate and contains five pieces of music, the music is cheerful and beautiful. It rolls and vibrates while playing the music. After a concert is finished, it stops, tap it with a small hand to continue playing the next music and start vibrating.
Our ball does not need to install a battery, and the lasts for a long time. When charging, you only need to take out the movement and shake it, then Plug the usb charging cable into the charging port. Don't worry that the baby music shake dancing ball toy cannot be used because of the unusable battery.