Portable: Does the The SlumberCalm™ Portable Sound & White Noise Machine come with a plug? June 11, 2024 19:09 No plug is included. The product comes with a charging cable that can be used with any common UL Certified USB-A 5V/1A adapter. Related articles RETURN POLICY Portable: Does the product require a Bluetooth or Wi-Fi connection? Portable: I am pressing the control buttons on the front of the product and nothing is happening. What should I do?