Step 1: Launch the mydlink Baby app.
Step 2: Tap the camera which you want to use to play the lullaby.
Step 3: Tap the lullaby button (found on the bottom of the Live View screen, fourth from the left). Tap buttons 1-5 to choose a specific lullaby, “ALL” to play them all in sequence, or “OFF” to stop playing a lullaby. Alternatively, press the lullaby button on top of the camera unit to toggle playing a lullaby on or off.