jawbone up2 and up4

Jawbone unveils Up2 and Up4 activity trackers to join the Up3

The pioneering wearable tech brains at Jawbone have unveiled two new activity¬†trackers, the Up2 and Up4, to join the long-awaited Up3. Jawbone Up2 According to Jawbone's US website, the Up2 is set to replace the brand's original tracker, the Up24. We're very happy to hear that the Up2 has a few added features, as well…