I've been wearing far more devices than a non-robot should ever wear, so I can write reviews for you. The latest are two activity monitors that integrate with diet tracking programs:
Weight Watchers ActiveLink: If you track your diet through the Weight Watchers program, this activity monitor will convert your daily doings into PointsPlus credits. While previously Weight Watchers had a pedometer that could do this, the ActiveLink uploads its data via a USB stick and should be very accurate in tracking your activity calories burned.
Fitbit One: I've owned every model of Fitbit, and I think the latest one is a good improvement on what already is a great system for those who want to lose weight by tracking their diet and exercise. Now Fitbit One, like the Fitbit Zip, communicates via Bluetooth with cell phone apps, as well as via a USB connection to your Mac or PC. Fitbit One also tracks your sleep quality.
Photo © Wendy Bumgardner
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