Description: 【Small wireless portable】: unlike other wired air pumps on the market, the electric air pump can be used not only at home, but also on the beach, camping and outdoor parties. The overall size is small and exquisite, you can easily put it in your backpack when not in use, it will bring you no extra burden. 【Durable power supply and USB charging】: electric battery air pump built-in rechargeable 3000 mAh lithium battery, which can give you a longer operating time. In addition, the package includes a USB charging cable, so you can use any device with a USB port (e.g. car socket, computer and mobile power supply) for charging, which makes your summer trip even more comfortable .