Air pressure value: 0.3 psi. Airflow: 140L/min Product size: 6.5 x 6 x 9.5 cm. Weight: 0.2 kg Function: inflate/exhaust Tension: DC5v Current: 2A Accessories: TYPE-C power cord, inflatable head (various specifications)*3, air extraction head*1, manual*1. Applicable products: inflatable beds, inflatable sofas, swimming pools inflatables, floating beds, dinghies, swimming rings, inflatable toys, storage bags, etc. Portable design, easy to use: Compact and mini design, easy to carry when traveling, small footprint. USB cable universal to meet your different charging needs. BEST4U electric air pump can be charged in a variety of scenarios, such as computers, adapters, mobile power, as long as the USB socket is available Charging and long life: Short charging time and long use time A wide range of applications: Suitable for inflatable beds, boats, inflatable sofas, swimming rings, compression bags, inflatable toys, etc. However, be careful not to use this product for balloons.