Size, light weight, easy to carry and store.;emergency supplies, suitable for a variety of inflation purposes (car tires, balls, children's toys, etc.).;this machine is more suitable for .; back has a heat dissipation structure (heating is inevitable, it is best to pump for 10 minutes and stop for 10 minutes to pump).;it has its own reverse charging function, supports charging mobile phones, and has its own warning light.
