Fully Automatic Endless Bubbles bubble machine has two speeds that can be adjusted, the first speed produces 5,000 bubbles per minute and the second speed produces 18,000 bubbles per minute. No need to add bubble solution multiple times, kids can have uninterrupted bubble fun.Large Capacity320ml/11.26 oz Capacity of the liquid tank.Suitable for any occasion and 30+minutes of continuous use allows you and your family to enjoy uninterrupted bubble recreation time.Wonderful IdeaThis bubble machine for parties is designed for kids and pets. Outdoor toddler girl toys can add fun to the game and bring kids into a fantastic bubble world.Great for creating a fantastic and romantic atmosphere indoors or outdoors (yard, park), such as weddings, stages, parties and camping etc.Three Power OptionsExperience the versatility of our bubble machine with three power optionsUSB plug inUse 4 batteries(Not Included)USB cable and adapter plug in(Included UL& FCC adapter and USB cable).Easy & PortableLight weight and portable, easy to carry. Our bubble machine is versatile,can be used for a variety of activities.