Jawbone plans on rolling out extra heart rate tracking modes on the Up3 once "people understand heart rate," and extra modes, too. If you buy an Up3 band, you're betting on those features arriving.

Jawbone UP3: Features The Jawbone UP3 is light and won't get in the way during a workout The core of the UP3’s features are measuring your steps, your heart rate and your sleep.

Still, after all the months Jawbone spent working on the Up3, I figured this might be the perfect showcase for that mobile app. It’s not. Up2 makes more sense for nearly everyone.

The Up3 is the latest in Jawbone's line of activity-tracking bracelets. It is much smaller than its predecessor, the Up24, and much more advanced.

Jawbone UP3 screen, battery and build. Like the Jawbones that came before it, the UP3 has no screen to wow you, just a textured touch-sensitive area that can be used to switch modes on the band ...

The Jawbone UP3 promised a lot but delivered a little. Although the UP3's aesthetics are something the competition can learn from, there are just too many sacrifices here. It doesn't offer a ...

Jawbone's pitch for the Up3, its latest wrist-worn health tracker, is pretty much the same as its last few models. It's artfully crafted from the genius design mind of Yves Béhar, ...

Up3: Heart rate on a bracelet. After a year, the new Jawbone Up3 aims for the same low-key approach as last year's Up24, but even more so. It's water-resistant up to 10 meters, too.

With the added features, the Jawbone UP3 is a top sleep tracker, with accurate results and plenty of detail – and certainly wins out here. Fitbit Charge HR v Jawbone UP3: Price.

The Up3 is the latest in Jawbone's line of activity-tracking bracelets. It is much smaller than its predecessor, the Up24, and much more advanced.

Jawbone has announced two new devices for 2014, the UP3 wristband and the UP MOVE fitness tracker. The UP3 is the flagship follow-up to the UP24, the best fitness tracker available, according to BGR.

Before wearable technology became the massive trend it is today and Apple's Watch was still a distant rumour, Jawbone revealed its first UP band. The idea was simple; it would track your steps and ...