USE Adapter(DC 5V/2A) The package does not include a plug, we only provide a USB cable
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4xAA Batteries For safe transportation, the package does not include batteries. The bubble machine needs to install a new battery, so that the bubble machine will produce more bubbles. If the bubbles decrease, please replace the battery in time or connect the power supply, or add bubble solution
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Power Bank For safe transportation, the package does not include Power Bank. In order for the bubble machine to work properly, please use a power bank supply with sufficient power and high power.
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