Kensington Air Guide D'instructions page 7

2 Find the Airline Power Port near your seat, and plug the Airline Power Adapter into
the Airline Power Port.
When you need to use your Adapter in a vehicle reconnect the Vehicle Power Adapter to
the Airline Power Adapter.
Setting Up Your Adapter's USB Function
Warning! Under certain circumstances the USB Power Port provided may
not be able to charge your digital device!
Under certain circumstances the USB Power Port provided on your adapter will not be
able to charge your low powered device. Some manufacturers require the USB port to
recognize the attached device as in the case of a notebook USB port. This functionality
cannot be duplicated on your Adapter under all circumstances.
USB Cable sold separately or use the USB Cable
that came with your mobile device
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