DescriptionHow to use -- The inflatable mattress pump is compatible with 3000mAh power supply. To make inflatable, simply place the inflatable head on the stuffing stick, then press the switch. To deflate, you should put the inflatable head into the vent hole, then press the switch to deflate. Our electric air mattress pumps are easy to use. .Powerful Electric Air Pump - The FreeLionVon air pumps are so powerful that they can not only inflate objects, but also deflate them by sucking the air outCar power adapter and home power adapter are included, making it suitable for indoor and outdoor use. .4 Nozzles to Choose From - We have 4 different size nozzles in the electric air mattress pumps, allowing you to inflate/deflate different items on every occasionSuitable for outdoor air cushions, car air cushions, swimming rings, floating rows on the water, vacuum storage bags and other inflatable products. .Portable - The inflatable mattress pump is small and lightweight, so you can use it indoors and outdoors conveniently. With a travel-friendly dimension, you can easily take the air pump with you anywhere.Rechargeable--The durable TYPE-C charging port is more versatile and stable. The splash-proof design can avoid damage from splashing water and help you overcome the harsh outdoor environment. Small size Built-in 3000mAh lithium battery, TINY PUMP can reach 2.2kPa pressure and 300L/MIN, support 40 minutes use time, can fill more than 10 air mattresses and compress multiple storage bags. .