You can easily roast coffee beans at home, and enjoy your favorite brew coffee. [Features] You can enjoy your coffee according to your preference. Special design prevents uneven roasting. Weighs 8.5 oz (240 g), making it easy to use for women. [How to use] (1) Add an appropriate amount of coffee beans (about 0.4 oz (10 g) for each serving).(Maximum 5 to 6 people) (2) Put on gas and snap the wrist to the left and right. (3) The beans will be slightly colored from a light brown color. (4) When you hear a crackling wobble, keep it away from the fire and finish it with preheating. (5) Let it cool against a colander and other items.