Jawbone’s brand new fitness tracker moonlights as a digital wallet

Jawbone on Thursday unveiled brand new fitness trackers meant to better compete against some of the upcoming hot wearable devices, including an even smarter high-end band but also a new affordable model. DON’T MISS: Math problem from Singapore goes viral – can you solve it? The Jawbone UP4 comes with an unusual feature for a fitness band, and that’s wireless payments. The tracker lets you register your American Express cards and pay for goods at merchants that support wireless payments. Other cards aren’t supported at this time. The band includes an NFC chip to handle mobile payments, and cards can be set up with help of a mobile app installed on a smartphone. Even though UP4 seems to go after



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