Nuband NRG 4+

Built-in GPS gives you the freedom to take your activities outside. During a run, walk or ride, Nuband NRG is able to track distance, time and speed or pace and even map it out for you on the phone app.
Smart Activity Tracker with Wrist-based Heart Rate and GPS 
--Sony GPS Chip Embedded,support work out inside, or use built-in GPS to accurately track activities --outside,while also including a variety of indoor activities.
--Includes health monitoring such as heart rate, blood pressure and HRV.
--All-day stress tracking helps you stay in touch with your body’s response to potential stressors
--Color display:0.96'' TFT multi touch display.
--24H Real Time Heart Rate Monitoring ,Auto Check the Heart Rate in every 5min and then Save the Data
--If you are using an Apple phone, in order to calculate the training consumption, we will receive and send your sports data from Apple's HealthKit with your authorization. To simplify your input process, we read your weight data from HealthKit. At the same time, the training data generated by your GPS FIT will be synchronized with Apple's HealthKit. Any information obtained through the use of HealthKit, such as weight and heart rate data, will not be shared or sold to any third party, including advertisers and other agents.