Versatile portable mini air pump for on-the-go inflation - Compatibility and quick switch - Supports multiple connections and valves, including Presta and Schrader - Switch between fittings by installing or removing the fitting screw head - Ideal for inflating basketballs, footballs, volleyballs, balloons, and swimming rings - Compact design with strong performance - Weight: 99 g - Open length: 6.1 inches; closed length: 3.8 inches; diameter: 0.8 inches - Ergonomic, comfortable grip - Made from aviation aluminum and capable of delivering at least 180 psi for fast inflation - What’s included - 1x Aviation aluminum mini air pump - 1x Transfer screw joint - 1x Extension hose - 1x Inflatable ball needle - 1x Balloon nozzle - 1x Swim ring nozzle - 1x Portable protection bracket and fixing screw - Portable and space-saving - Use the included bracket to fix on a bicycle, or carry in a pocket or backpack - Requires only a small amount of space Use scenarios - On the field or at events: quickly inflate sports balls (basketball, football, volleyball) and inflatable items (balloons, swim rings) as needed - On the go with your bike: mount the pump on your bicycle frame for convenient on-road inflation or maintenance - Travel or outdoor use: keep in your backpack for emergencies, camping gear, or everyday inflation needs