As consumers, we’re drawn to products that can pull double duty: shampoo and conditioner, VCR and DVD player, blender and food processor—you name it. Why do we love them so? For starters, they offer two things for the price of one, which means double the savings (and double the fun!). They take up less space in our homes. Sometimes they even get the job done faster.

Companies are continuing to develop combo products in the hopes of making our lives easier. The following tech products we came across do just that—but in ways we never thought were possible. A keyboard with a built-in scanner, a home theater system that doubles as a TV stand, and an MP3 player that functions as a breathalyzer are just some of the coolest products on double duty.

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