Characteristics: 1. handle: There is a handle on the back of the multifunctional balloon pump, which is convenient to move and carry. 2. Application: Multifunctional balloon pump is suitable for advertising balloon promotion activities, balloon decoration and festival site decoration. Three. quiet operation: The balloon pump has low noise when in use, and blows and stops when the pressure is relieved by continuous use of the extra button on/off. Four. Easy to use: This multifunctional balloo