![fitbit on Twitter: "Introducing the all-new #FitbitAltaHR, the world's slimmest wristband with continuous heart rate: https://t.co/zTdQFsvGRj https://t.co/aZR6gRXNuk" / Twitter fitbit on Twitter: "Introducing the all-new #FitbitAltaHR, the world's slimmest wristband with continuous heart rate: https://t.co/zTdQFsvGRj https://t.co/aZR6gRXNuk" / Twitter](https://pbs.twimg.com/media/C6PYoMdWAAMPDXu.jpg)
fitbit on Twitter: "Introducing the all-new #FitbitAltaHR, the world's slimmest wristband with continuous heart rate: https://t.co/zTdQFsvGRj https://t.co/aZR6gRXNuk" / Twitter
![Fitbit's new Alta HR activity tracker brings a heart rate monitoring update to the original - The Verge Fitbit's new Alta HR activity tracker brings a heart rate monitoring update to the original - The Verge](https://cdn.vox-cdn.com/thumbor/fsd38VdpJIw2wLViEen2AOIOrYA=/0x0:2000x2000/1400x1400/filters:focal(1000x1000:1001x1001)/cdn0.vox-cdn.com/uploads/chorus_asset/file/8100985/Fitbit_Alta_HR_Back_Black.jpg)
Fitbit's new Alta HR activity tracker brings a heart rate monitoring update to the original - The Verge
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