1. Turn the black knob counterclockwise until the black knob separates from the bottle;

2. Rotate the inflation port clockwise to connect to the bottle body;

3. Rotate the valve counterclockwise to make the gas reach the charging port;

4. Put the balloon gently on the inflation port, do not bend the inflation port at this time;

5. Pinch the neck of the balloon with your index finger and thumb to prevent the balloon from being washed away;

6. Bend and hold the inflation port in any direction to inflate the balloon;

7. After the balloon is inflated to a suitable size, stop bending the inflation port to stop inflation;

8. When the inflation is complete, turn the green knob clockwise to close the valve.