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Bundle – 3 Items: 1.618034s Heart Rate Monitor Fitness Tracker ID115 Smart Slim Wristband. With Waterproof An Touch Screen Activity Tracker for Android And IOS with Two Additional Replacement Straps

Counting steps are implemented through a 3D accelerator chip, it will record steps when you move your hand, so it may have some tolerance error. To reduce arm movement errors, it will reset itself automatically if you continue to walk less than 40 steps. To test the accuracy of steps counting, please kindly help...

$24.99Amazon.com Price
(as of December 28, 2017 3:27 am GMT+0000 - Details)