Nine health wearables for your head

By Jonah Comstock
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iRiver On from Valencell

iriver on_powered by PerformTek

What else do people wear on their heads already, that a company could build health sensors into? Earbuds. That's the plan from Best Buy-backed Valencell, which finally announced at CES in January that it had integrated its PerformTek sensors into a Bluetooth headset, from Korean audio company iRiver. The sensors measure heart rate, running cadence, speed, distance, calories burned, and oxygen uptake. Last week, the company announced that the device is available for purchase in Korea and Japan, although it's not saying when it will come to North America. It's selling for 199,000 won, or about $180 US.