Smallest Body: The Naturehike Pump just weighs 6.2oz, which is lighter than the iphone 7 plus. You can’t even feel the weight when you put in your backpack.Ultra Lightweight: The size is 2 x 2 x 3.14 inches. A can of Coke is even bigger than it. You can carry it around you wherever you go.Built In Lithium Battery & USB Rechargeable: Built in 3600mAH lithium battery, so our Naturehike PUMP can quickly recharge by power bank when outdoor or charge directly by phone charger at home.Strongest Power: The lightweight Air pump contains 3600 mAH battery which makes it can continuous working for almost an hour. Deflate function can quick deflate to save your time, widely used for beach,camping and outdoor parties.Extensive Applicability: The Max Pump is equipped with three nozzles, and can inflate most of the inflatable products, like the air Sleeping pad, air bed, air mattress and air toys , lifebuoy and so on.