Small Wireless Portable5.5 * 6.3 * 8.2cm Electric Air Pump Simplicity Small structure, it can not only be used at home, and also the best partner for swimming, beach surfing and boating It is small in size and can easily be put into a backpack without extra burden for you. Sturdy Power Supply and USB ChargingBattery air pump with lithium battery Built-in 3000mAh rechargeable battery, 40-60 minutes working time. The USB cable is in the package, so you can connect any device with a USB port (eg sockets, computer and mobile power) for charging and with a power display to make your summer travel more convenient! Easy to Use Faster inflation and deflation 15W high power, maximum air pressure of 2200Pa, air flow of 300L / min and 25 times faster than manual air pumps. Just insert the air nozzle into the valve and turn on the switch. It only takes a few tens of seconds to a few minutes (depending on the size of the object). 4 Multifunctional Nozzles The electric air pump is with 4 different nozzles that can meet your different inflation requirements. It is very suitable for inflatable boats / children's swimming pools / air mattresses / mattresses / swimming rings / yoga balls / balloons and other inflatable items. In addition, it can also be used in a vacuum storage bag to exhaust any excess air in the vacuum bag. Battery Protection and Anti-Slip TreatmentThe portable electric air pump has an overheat protection function, which can work continuously for a long time without burning. It can be used by children and protected from damage. Ergonomic design of wear-resistant and anti-skid materials, non-slip, easy to hold and use.