The ring on baby's right hand can make different sound. The Feet can shake. Pissing after pressing its ring for 4 seconds.Function of soother: The baby will cry if the feeding is less than 5 seconds.

The baby will laugh after feeding more than 10 seconds.

 If crying, you need to change the diaper because the baby can piss.While feeding more than 1 minute,

the baby will sound full and remind you to stop.