The method/step of measuring heat by intelligent weight-loss lunch box;

1. Put the lunch box on a horizontal table, hold the lid with both hands, gently press the lid, and the blue light flashes to start vacuuming; Put the lunch box on a horizontal desktop, rotate the lunch box horizontally, gently press the box cover, and the blue light flashes to start vacuuming;

2. When the blue light is on, vacuumizing is completed, and the box body is kept in a vacuum state;

3. Place the lunch box on a horizontal desktop, rotate the lunch box horizontally, gently press the box cover, and the blue light flashes to start vacuuming;

4. Open the cover after the green light goes out and deflates.