The Jawbone Up24 is lightweight and easy to slip around your wrist, yet it stays put.
2 of 5Josh Miller/CNET
Just one button
The only physical control on the Jawbone Up24 is a button at one end.
3 of 5Josh Miller/CNET
Your sleep quantified
The Jawbone Up24 measures sleep and provides detailed results.
4 of 5Josh Miller/CNET
Software control
Control practically all the Jawbone Up24's functions from the Up mobile app.
5 of 5Josh Miller/CNET
Important stats in one place
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.