The palm-sized body with a built-in rechargeable battery allows you to inflate swimming rings, pool floats, and beach air mattresses with just one hand. The 6000mAh battery provides long-lasting power for 30 minutes of continuous use without overheating, filling 20 single air mattresses at once. High-volume airflow inflates a single airbed in just 80 seconds. Two charging methods—via a power bank's USB port or your car's DC cigarette lighter socket—ensures you never have to worry about running out of power. Safety is guaranteed by triple protection against overflow, overvoltage, and overcharge.