The difference between fan 2S and fan 3: Fan 3 is equipped with LED display and remote control, but Fan 2S does not including them.
Note:
When the fan works on batteries for more than 1 hour, it will automatically trigger the power saving mode, and then it will automatically disconnect from the remote control and the app, press the power button will cancel the power saving mode.
How to pair the remote control with the fan via Bluetooth: press "Power/wind speed adjustment" button and "Oscillation control/mode change" button simultaneously for about 5 seconds, then press a random button on the fan .