The essential mobile toolkit for road warriors

What you should always carry in your briefcase or backpack -- or on your mobile device itself

By , InfoWorld |  IT Management, bluetooth, mobile apps

Audio cable

Although more and more cars support Bluetooth audio streaming or have a USB port for connecting a smartphone to a stereo, many do not -- especially not rental cars. But they have an auxiliary port, so carry around a standard 3mm audio cable. You'll also want it when watching a movie on a hotel or other older TV via a VGA cable.

If you travel with a companion frequently, consider getting an audio splitter so that you can watch the same movie from one tablet.

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