swimming ring，Features and specifications: 1) Suitable for inflating bike tires, car tires and sports balls 2) Inflates average tires in 5-6 minutes 3) Pressure gauge meter 4) Compact 5) Low power consumption 6) Air pressure: max. 300PSI 7) Continuous usage time: up to 15 minutes 8) Accessories: with nozzle adapters and sports needle 9)high pressure air hose with quick release valve connector 10) Fill rate: 13ml/min 11)We also can design for you, if you have special desirements. you can put your logo on it.