It’s not only beneficial from a battery savings perspective, but also for security and privacy reasons. Especially if it’s not connected to a device that you are currently using. To save the battery usage of a laptop or other mobile device, Bluetooth should be turned off. But with all the technologies available to connect with Bluetooth, it stands to reason that you would want to know how to turn it on and off at some point. By default, Bluetooth is turned off in Windows 10.
