Intermec, Inc. (NYSE:IN) today announced the CS40 - introducing the first rugged mobile computer with the size and styling of a smart phone.

ENGADGET: Intermec CS40 walks the work / play tightrope, WinMo 6.5 threatens to knock it off

And since Bluetooth is compatible with just about every computer, tablet and mobile phone (not only the smart ones) these days, it's easy for friends or business associates to connect to the speakers, too.

WSJ: Big Sound, Wire-Free

So who needs a large capacity tablet computer and what other options exist to increase available capacity on a smart mobile device?

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Equipped with new Bluetooth Smart Ready technology, the CORE 2 will enable live updates of body monitoring data captured with the armband to BodyMedia's mobile app on Smart Ready-enabled smartphones and tablets, eliminating the delays involved in computer upload.

ENGADGET: BodyMedia's CORE 2 armband tracks your health, or lack thereof

The Mogul doesn't look quite as futuristic or elegant as the iPhone, but it has some features Apple's phone lacks, like a removable battery, a slide-out QWERTY keyboard for thumbing messages, access to a "third-generation" (3G) Internet connection for fast mobile Web access and downloadable software applications that let you turn your smart phone into a mini computer.

FORBES: Nine iPhone Alternatives