At Home: Does the SlumberCalm™ 2-in-1 Sound Machine & Night Light need to be plugged in to use it? June 11, 2024 19:03 Updated No, the product has a built-in rechargeable battery and can be used anywhere once charged. Related articles At Home: What does the flashing light mean on the power indicator? At Home: Does the The SlumberCalm™ 2-in-1 Sound Machine & Night Light come with a plug? What ages are recommended for SlumberPod? Portable: Does the The SlumberCalm™ Portable Sound & White Noise Machine come with a plug? At Home: I am pressing the control buttons on the front of the product and nothing is happening. What should I do?