Small cordless portable electric air pump, 5.5 x 6.3 x 8.2 cm, 145g. Compact and lightweight design makes it easy to carry in a backpack, ideal for home use or outdoor activities such as swimming, beach outings, surfing, and boating. Powered by a built-in 4000mAh rechargeable lithium battery, this air pump offers 40 to 60 minutes of working time. Includes USB cable for convenient charging from any USB-enabled device such as power banks, computers, or wall adapters. Equipped with a power indicator to monitor battery status. 15W high-power motor delivers up to 3300Pa pressure and 300L/min airflow, inflating up to 25 times faster than manual pumps. Simple to operate—insert the nozzle into the valve and turn on the switch. Inflation time ranges from tens of seconds to a few minutes depending on the item size. Features 4 interchangeable nozzles to suit a variety of inflatables, including air mattresses, kiddie pools, inflatable boats, swimming rings, yoga balls, balloons, and more. Also compatible with vacuum storage bags to remove excess air. Designed with overheat protection for extended safe operation. Non-slip, ergonomic surface provides a secure and comfortable grip. Made with durable, wear-resistant materials for reliable performance.