Paching list: 1* Air pump 1*Air hose 1* Ball needle 1* Presta valve adapter 1* Swimming ring nozzle 1* Storage bag 1* Type-C cable 1* User manual Specification: Battery capacity: 2000mAh/7.4V/14.8Wh Type-C charging 5v/2A Max Power: 37W Output pressure: 150PSI(MAX) Dimension: 167*61mm Weight: 456g