Low Noise: The air pump adopts advanced impeller hub and high quality metal impeller, which can greatly reduce the operating noise. Multiple power sources: you can charge the inflator with USB interface, car USB, or by ordinary mobile phone charger, power bank to solve the embarrassing situation of no electricity on the outdoor beach. Lightweight and portable: the air pump weighs only 0.4 kg. Length: about 9.4cm, diameter: about 5.6cm. Space-saving, it can operate independently. Faster Inflation: Portable high-pressure electric air pump provides a faster and more efficient inflation experience. 3 interlocking nozzles : different size nozzles are suitable for most inflatable equipment that needs to be inflated or deflated, suitable for swimming pools, inflatables, beach inflatables, inflatable cushions, barbecue fans, yoga balls , inflatable boats, floating inflatable beds.