Powerful inflation and deflation for versatile use - This air mattress pump delivers 4000 Pa of air pressure and 400 L/min airflow, enabling 100% inflation of a single air mattress within 3 minutes. It can also deflate by sucking air out. In outdoor camping, it includes an air-blow function for fire-starting assistance. 2 in 1 design for convenience - Combines inflation and deflation in one compact device for easy setup and packing. 5200 mAh rechargeable battery for portable use - Powered by a high-capacity battery, it can run continuously for about 60 minutes on a full charge. The unit is designed for use anywhere, with a Type-C charging port for fast and flexible recharging. Convenient Type-C charging - Eliminates the need for a bulky AC power supply. Charge via power bank, laptop, car charger, or power adapter for maximum versatility. Three different nozzles included - Three nozzle sizes fit a variety of inflatables. Small nozzle for inflatable toys, middle nozzle for air mattresses and inflatables, and large nozzle for pools, boats, and floats. Made of durable ABS material; no need to buy extra nozzles. One-button operation and high-efficiency inflate/deflate - Steps: 1) choose the suitable nozzle and connect it to the inflation/deflation port. 2) Hold the switch for 2 seconds to turn the pump on, then short press to turn it off. Ensure there is no gap between the attachment’s bottom ring and the pump edge.