You can adjust your Williwaw via the app or directly using the on-device buttons. The center button allows you to power it on or off with a simple press. By rotating the dial on this same button, you can select from 15 different fan speeds. Oscillation is adjustable from 45° to 270° across 3 speeds using the sliding handles. Finally, the head orientation is also adjustable, allowing you to switch between summer and winter modes.
For a full walkthrough, please refer to the following video: