| Brand | Jawbone |
|---|---|
| Type | Activity Tracker |
| Color | Black |
| Model | UP4 |
| Activity | Fitness |
| Sport/Activity | Running & Jogging |
Check the listing for details. UP4 by Jawbone Heart Rate, Activity + Sleep Tracker - Black. Color: Black, Condition: New. Listed at 23.63 USD. A fitness tracker so advanced it pays. Tap to pay with an eligible American Express Card*. You expect a lot from a tracker, but you probably didn't expect this. UP4 is made with breakthrough sensor technology. Fitness tracking that features all-important resting heart rate. On-board analysis of diet and sleep. Use your UP4 band for easy payments on the go wherever American Express contactless payments are accepted in the U.S. The simplest things like paying for a taxi, buying coffee, or loading up groceries with your hands full can be paid for with the tap of your wrist. See details below on Amex Payments*. Monitor your sleep cycle and heart rate with the UP4 wearable activity tracker.
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