9 Wearable Gadgets With Staying Power

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7 of 10

Jawbone UP

Jawbone UP helps users track their sleeping habits, movements, and diet. By synching up with a smartphone, UP keeps users constantly updated on their progress while providing insight into their daily routine and behaviors.

UP has formidable rivals in Lark and Fitbit's Flex, but the device is slowly gaining a following. Rumor has it Marissa Mayer gave UP wristbands to more than 11,000 Yahoo! employees.

Cost: $129.99