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The Jawbone Up24 is lightweight and easy to slip around your wrist, yet it stays put.
The only physical control on the Jawbone Up24 is a button at one end.
The Jawbone Up24 measures sleep and provides detailed results.
Control practically all the Jawbone Up24's functions from the Up mobile app.
The main app homescreen shows progress to your step and sleep goals plus any food you've logged. You can also see activity suggestions and any updates about you or your friends.