Best price as per Camelx3
We’ve got one of these in our baby’s room and the older version in our 3yo’s room and they’ve been running 10-12 hours a day without fail.
Great for providing background noise so drown out noises while the kids are sleeping
I used to use my previous phone, there's a few free apps that can run all night and set timers/combination of sounds. Last through the night on airplane mode.