Turns on when xbox one reaches a cetrain temp and turns off when not needed and turns off when the xbox is off for the night unlike others.
Pros
The fan is an essential accessory for serious gamers who spend hours in front of their Xbox One and want to ensure optimal performance and longevity of their device
Cons
The fan may not be able to cool down the console if it is in use for extended periods of time, such as for overnight downloads or streaming