Armour39: Bells, whistles and lights

Updated: June 18, 2014, 2:02 PM ET
By Katie Linendoll | Special to espnW

It seems like every day another fitness gadget arrives at my apartment. Ah, nerd problems.

I've tested quite a few wearable devices in the past couple of years, and quite honestly, many work quite well. But the one that's held my attention for longer than a couple of months is Under Armour's Armour39.

The quick and dirty: Armour39 is a wearable fitness device that straps around your chest and collects and displays your data -- calories, intensity and heart rate ...

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