Manage updates with the Download AppUnder Armour's Armour 39 tracking system
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Under Armour unveiled its Armour 39 system today, which includes a strap that monitors, among other things, your heart rate. The strap also has a slot for a "bug," which acts like a computer, sending data to the cloud via a Bluetooth connection.
February 12, 2013 1:08 PM PST
Photo by: Roger Cheng/CNET
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