In a medium bowl, add the water and yeast and mix well.
Add the flour, sugar and salt and stir until well combined.
With your lightly floured hands, knead the dough for 1 minute.
Place the dough onto a lightly floured surface and roll into ropes.
With a floured knife, slice the dough into 1-inch pieces.
Grease the Air Fryer Basket with cooking spray and then slide inside.
Adjust the temperature of Air Fryer to 390 °F to preheat for 5 minutes.
After preheating, arrange half of the pretzel bites into the greased Air Fryer Basket in a single layer.
Slide the basket into Air Fryer and set the time for 6 minutes.
After cooking time is finished, remove the pretzel bites from Air Fryer.
Repeat wot remaining pretzel bites.