High-quality Materials Our mini bicycle pump is made of high-quality aluminum alloy materials and precision parts. It can be used as a mountain bike pump, a ball pump, an electric bicycle tire inflator, and also as a bicycle tire repair tool accessory. Compact and Portable Our shock-absorbing pump is small in size, powerful, and retractable. It can fit into any pocket or backpack and can also be installed on the bicycle frame. It will be a great helper for your smooth travel and is a complete set of bicycle accessories and tire repair tools. Multifunctional Design Our mini air pump is compatible with Presta and Schrader valve stems and also has a needle inflation function for basketballs, footballs, and volleyballs. It is a perfect mini bicycle pump suitable for all bicycle tires and joints. Easy to Use Compared with traditional mini manual bicycle pumps, our mini air pump requires 30% less pumping to reach the pressure required for cycling and can quickly inflate basketballs, footballs, volleyballs, etc. Specifications Dimensions: 6.1 inches when extended, 3.9 inches when retracted. Package Contents 1. 1 mini portable pump 2. 1 extension hose 3. 1 ball inflation needle 4. 1 bracket 5. 1 balloon inflation nozzle 6. 2 fixing screws