Small Cordless PortableElectric air pump 5.5*6.3*8.2cm 145g Simplicity Small structure, it can not only be used at home, but also the best partner for swimming , beach surfing and boating It is small in size and can easily be put in a backpack without extra burden for you. Robust Power Supply and USB ChargingBattery powered air pump with Built-in 4000mAh rechargeable lithium battery, 40-60mins working time. USB cable is in the package, so you can connect any device with USB port (e.g. outlets, computer and mobile power) for charging and with power display to make your trip enjoyable. summer more convenient! Easy to Use Faster inflation and deflation 15W high power, 3300Pa maximum air pressure, 300L/min airflow and 25 times faster than manual air pumps. Simply insert the air nozzle into the valve and activate the switch. It only takes a few tens of seconds to a few minutes (depending on the size of the object). 4 Multifunctional NozzlesThe electric air pump is with 4 different nozzles which can meet your different requirements inflation. It is very suitable for inflatable boats/kiddie pool/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 squeeze out 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 non-slip materials, non-slip, easy to hold and use.