mamaroo- on/off button?

Does this thing have an off and off button or you have to unplug from the wall when not in use?  
Silly question, sorry can't figure it out 

Glow Resources

Let’s Glow

Glow is here for you on your path to pregnancy

Glow helps you navigate your fertility journey with smart tools, personalized insights, and guidance from medical experts who understand what matters most.

25+ million

Users

4.8 stars

200k+ app ratings

20+

Medical advisors