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Garmin vívosmart 4, Activity and Fitness Tracker w/Pulse Ox and Heart Rate Monitor, Midnight w/Black Band, Large (Renewed) : Sports & Outdoors
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Garmin Vivosmart 4 HR Activity Tracker Merlot Regular, Mobile Phones & Gadgets, Wearables & Smart Watches on Carousell
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The validity of activity trackers is affected by walking speed: the criterion validity of Garmin Vivosmart® HR and StepWatch™ 3 for measuring steps at various walking speeds under controlled conditions [PeerJ]
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6-Pack) RinoGear Screen Protector for Garmin Vivosmart HR Plus (Garmin Approach X40) Case Friendly Garmin Vivosmart HR Plus Screen Protector Accessory Full Coverage Clear Film : Amazon.com.au: Electronics
![The validity of activity trackers is affected by walking speed: the criterion validity of Garmin Vivosmart® HR and StepWatch™ 3 for measuring steps at various walking speeds under controlled conditions [PeerJ] The validity of activity trackers is affected by walking speed: the criterion validity of Garmin Vivosmart® HR and StepWatch™ 3 for measuring steps at various walking speeds under controlled conditions [PeerJ]](https://dfzljdn9uc3pi.cloudfront.net/2020/9381/1/fig-3-full.png)