Band 2

In the second reiteration of its fitness tracker, Microsoft swaps out the flat display for a curved one (now protected with Gorilla Glass 3), creating a more refined look and fit. Underneath the hood are 11 sensors (including built-in GPS) that track heart-rate, calories burned, sleep quality and more. It also keeps you notified of emails, texts and reminders—and can even alert you of high …

Jawbone UP Gets Back on Track

The activity monitor gets slimmer bands, new colorways, but most importantly: a much-needed firmware update

Released earlier this spring, the new generation of Jawbone UP products (2, 3 and 4, the latter which includes contactless AmEx payments on top of heart rate and temperature tracking) offered a favorable initial impression, but after a few weeks, we retired the UP3 from our arm line-up due to some unacceptable usability issues. A double-tap gesture was required to switch between activity and sleep …

Jawbone UP 2, 3, 4

The latest suite of activity trackers gets more comfortable, more robust and a bit surprising

Jawbone, an early mover in the wearable fitness tracker category, today announced two new products and shared updates on a third. The UP2 replaces the UP24, the UP3 adds cardiovascular and temperature tracking and the UP4 layers in contactless payments through an unexpected American Express partnership. Though many anticipate the first deliveries of Apple Watch later this month, the UP (and similar devices) remains relevant …