Cordless and RechargeableThe electric inflator is equipped with two 2200MA rechargeable batteries, 300L/min inflation speed, the electric inflator can be charged in a variety of scenarios, such as computers, adapters, power banks, as long as there is a USB socket. Note: Please make sure the USB interface voltage is 5V when charging. Can be used continuously for 45 minutes without interruption or heat Power Bank FunctionBetter than an ordinary electric pump, our electric pump is equipped with a 5V reverse USB output port, which means that it can be used as a power bank. Outdoors, this electric pump can charge your phone, tablet and other devices, and take it with you for a carefree trip! (Phone charging cord is not included.) HIGH EFFICIENCY ELECTRIC PUMPElectric air pump is designed to inflate and deflate quickly in minutes, perfect for most inflation devices which you need. It can fill a mattress in two minutes and can be recharged eight times on a single charge. Deflation Function: Can be used to compress the bag, additional useful design to save time with inflatable items. 3 Nozzle SizesThe electric paddling pool pump comes with 3 different nozzle sizes: S, M and L. S size nozzle is suitable for small inflatable products such as swimming rings, inflatable pillows, etc. M size nozzles are suitable for inflatable cradles, inflatable pool seats, etc. L size nozzles are suitable for air mattresses and other large size inflatable products. As long as there is a valve to inflate Quick inflationOur ultra-compact design packs a punch without the bulk. It is small enough to easily fit in a backpack. A single air pump measures only 11*10*9. Weighing only 311.6 es, it not only saves storage space, but can also be easily transported. You can inflate air mattresses, pool couches, inflatable boats, pool toys, swim rings and more.