Electric Air Pump Household Outdoor Small Portable Inflatable Vacuum Pump Built in Lithium Battery & USB Rechargeable: Built in 3000mAh lithium battery. The Air Pump can quickly recharge by power bank when outdoor or charge directly by phone charger at home. Auto Inflate and Deflate: Insert the nozzle into air valv e tightly and press the switch. Deflate function can quick deflate to save your time. Waterproof degree: IPX4. Use Easily and Super Light: Dimensions 3" x 2" x 2", Weighs only 7 ounces. Lightweight and easy to use, is the best air pump for children. Widely used for beach, camping and outdoor parties. Extensive Applicability: The Air Pump is equipped with four nozzles, suitable for most air mattresses, inflatable beds, pool floats, swimming rings, inflatable furniture, inflatable pools and other inflatable toys. 4 Different Nozzles: 4 different nozzles grant you fit most inflatables you need to inflate or deflate; Portable air pump works well with air mattresses, pools, rafts, sofas, water beds, boat, pool toys, swimming rings, yoga balls etc. Specification: Battery capacity: 7.4V 3000mAh Inflation pressure: 2200Pa max Maximum air volume: 300L/Min Power: 15W Working hours: 40Min Waterproof grade: IPX4 Charging method: USB Type-C charging port Featured functions: charging reminder, low battery reminder, low battery protection Color: white, black, blue The package contains: 1x air pump, 4x nozzles, 1xUSB charging cable, 1x storage bag