Yes, No doubt you can use your favorite echo device in your bathroom. The best option is to mount it on your wall or ceiling with a sticky strip or you can use Dot Pod Magnetic.
The Dot Pod is the best way to mount your Echo Dot in any room of your house or bathroom or kitchen. The Dot Pod’s patent pending grip lock system, safely holds your Echo device.
Note: Dot Pod works with both the First and Second Generation Echo Dot.
Now It is the time to listen to music and podcasts in bathroom. You can just say “Alexa, skip” to move on to the next song.