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Four months after its newest Up bands started shipping — and nearly a year after they were first announced to the public — wearable tech maker Jawbone has rolled out promised features to its line of Up activity trackers.
The Up3 and Up4 bands, which are both equipped with heart rate sensors, will now track a wearer’s heart rate periodically throughout the day, rather than just once in the morning as the wristbands did before.
Also, the $180 bands will now automatically transition from active to sleep mode when the wearer goes to bed at night.
This article originally appeared on Recode.net.