URBST Fitness Tracker, Wireless Bluetooth 4.0 Heart Rate Monitor Activity Tracker with Sleep Monitor and IP67 Waterproof for Android & IOS.
Long battery life:70mAH,Standby time: 3~5 days,and it is recommended that you charge it up fully before you use it for the first time.Customers to upgrade the firmware, bracelets can not connect the phone.
0.49 inch OLED Touch Screen:Fitness Bracelet There is not button,the screen will automatically light up when you turn over hand, act as a traditional watch.
SLEEP MONITOR—NOTES: Please wear the tracker when you are sleeping, and turn on the Bluetooth of your phone as well. Fitness tracker will automatically record your sleep data, and you need manually refresh the APP to get the updated data everyday, the fitness tracker can’t save your data, please update your data everyday, so that the APP will save your data in your smart phone.
$38.90 (as of December 15, 2017, 11:51 pm)
& FREE Shipping.