Your phone's on you all the time. Might as well put it to good use -- other than playing with Angry Birds. Enter Bodymedia. It's a small arm band that connects to your Android phone or tablet via Bluetooth. And if you have a Sprint ID device -- and that means anyone with an Epic 4G or Galaxy Tab as of this week -- you can keep an eye on your vital signs with a number of attractive widgets. Peep the video above for a look at Bodymedia in action.
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