Scosche myTREK Wireless Pulse monitor for iPod and iPhone is one of the newest activity monitors on the market but this one is not relying just on accelerometer data but going back to heart rate monitoring, except this time it is a forearm worn device instead of a chest strap. I am very interested in seeing how the built-in accelerometer filters into total activity energy expenditure. That fact alone is a potential limitation of other arm-worn devices. Price $129.99
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[Via Kinetic Shift]