Rough Country?ÇÖs portable battery jumper and air compressor combo kit is a must have accessory for off roading enthusiasts and daily drivers alike. The small and easy to use battery and accompanying cables makes jumping starting your own vehicle easy and stress free. The portable air compressor simply plugs into the battery and comes with multiple tips. This device has 2 USB ports, a DC port and jumper cable and compressor inputs and also comes with its own hardshell storage and carrying case..