Jawbone

Jawbone's Up4 is part fitness tracker, part mobile wallet American Express customers rejoice!

Jawbone's Up4 is part fitness tracker, part mobile wallet

With Jawbone's Up3 fitness band now shipping, the company has announced its latest offering, the Up4, which comes with an NFC chip that allows you to tap and pay directly from your wrist. At this stage, however, only American Express cardholders can avail the mobile payments service. The Up4 will be available sometime over the summer for $199, $20 higher than the asking price of the...

Harish Jonnalagadda