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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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Garmin® introduces vívosmart® HR+, a smart activity tracker with wrist-based heart rate plus GPS | Business Wire
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Sports Watch Band Strap for Garmin Vivosmart HR+/Garmin Approach X10/Garmin Approach X40, Meiruo Bracelet Wristband for Garmin Vivosmart HR Plus/Garmin Approach X10/Garmin Approach X40 (Black) : Amazon.ca: Electronics
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