They're like mini ovens that use hot air to cook food. They can make your favorite fried foods crispy and delicious, but with way less oil. It's like magic! You can make fries, chicken wings, and even desserts in them. They're super convenient and easy to use. You just pop your food in, set the temperature and time, and let it do its thing. It's a healthier way to enjoy fried foods without sacrificing taste.