1.Think Anywhere on Design: Take this portable air pump camping outdoors thanks to its compact size and versatile hook design; Hang it on a backpack, tent or slip it into your pocket for convenient use anywhere and anytime 2.Rechargeable battery: Equipped with a builtin 4000mAh rechargeable battery, which when fully charged, can last more than 40 minutes and includes an LED screen to monitor the battery; Only requires 45 hours to recharge 3.Multifunctional Pump: With 4 nozzles for various uses, this air pump is ideal for inflating outdoor musthaves such as sleeping mats, kayaks and vacuum storage bags, making it a musthave for any outdoor adventure. Not recommended for basketballs or tires 4.Fast and powerful inflation: Powerfully equipped with a 18.5W motor and an atmospheric pressure value of 0.5 psi, this air pump can inflate items such as swimming rings and air cushions 5x faster, with a wind speed of 240 L/min; its practical air blowing function is also ideal for starting fires during outdoor camping