Multipurpose InflationFill up any kind of vehicle or object with the multipurpose Tire Inflator! Comes with 2 adapters, allowing you to fill up cars, bikes, and even sports equipment!Power bank functionThe Tire Inflator can double as a power bank, allowing you to charge your devices!Instructions for usage1. Screw the gas tube to the main body2. Attach the air hose to the valve stem