![Amazon.com: C2D JOY Stylish Steel Strap Compatible with Garmin vivofit 4 Activity Tracker Bands Replacement Accessory with Metal Case for Women - Extra 2 Links Rose Gold : Electronics Amazon.com: C2D JOY Stylish Steel Strap Compatible with Garmin vivofit 4 Activity Tracker Bands Replacement Accessory with Metal Case for Women - Extra 2 Links Rose Gold : Electronics](https://m.media-amazon.com/images/I/21lMDzejgzL._SR240,220_.jpg)
Amazon.com: C2D JOY Stylish Steel Strap Compatible with Garmin vivofit 4 Activity Tracker Bands Replacement Accessory with Metal Case for Women - Extra 2 Links Rose Gold : 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-1-2x.jpg)
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]
![Amazon.com: Garmin vívofit 4 activity tracker with 1+ year battery life and color display. Small/Medium, Black. 010-01847-00, 0.61 inches : Sports & Outdoors Amazon.com: Garmin vívofit 4 activity tracker with 1+ year battery life and color display. Small/Medium, Black. 010-01847-00, 0.61 inches : Sports & Outdoors](https://m.media-amazon.com/images/S/aplus-media/vc/b801a706-fb55-4991-96d9-52bc35b0f728._SL300__.jpg)
Amazon.com: Garmin vívofit 4 activity tracker with 1+ year battery life and color display. Small/Medium, Black. 010-01847-00, 0.61 inches : Sports & Outdoors
![Amazon.com: Garmin vívofit 4 activity tracker with 1+ year battery life and color display. Small/Medium, Black. 010-01847-00, 0.61 inches : Sports & Outdoors Amazon.com: Garmin vívofit 4 activity tracker with 1+ year battery life and color display. Small/Medium, Black. 010-01847-00, 0.61 inches : Sports & Outdoors](https://images-na.ssl-images-amazon.com/images/I/71G8SMFd3aL._AC_UL210_SR210,210_.jpg)
Amazon.com: Garmin vívofit 4 activity tracker with 1+ year battery life and color display. Small/Medium, Black. 010-01847-00, 0.61 inches : Sports & Outdoors
![HOT Silicone Band For Garmin Vivofit Fit JR3 Strap Children Smart Watch Wristband Replacement Accessory For Garmin JR 3 Band - AliExpress Consumer Electronics HOT Silicone Band For Garmin Vivofit Fit JR3 Strap Children Smart Watch Wristband Replacement Accessory For Garmin JR 3 Band - AliExpress Consumer Electronics](https://ae01.alicdn.com/kf/H40723dc59f0e49b5aa207fca2b399abco.jpg)
HOT Silicone Band For Garmin Vivofit Fit JR3 Strap Children Smart Watch Wristband Replacement Accessory For Garmin JR 3 Band - AliExpress Consumer Electronics
![Amazon.com: Garmin vívofit 4 activity tracker with 1+ year battery life and color display. Small/Medium, Black. 010-01847-00, 0.61 inches : Sports & Outdoors Amazon.com: Garmin vívofit 4 activity tracker with 1+ year battery life and color display. Small/Medium, Black. 010-01847-00, 0.61 inches : Sports & Outdoors](https://m.media-amazon.com/images/I/71NUkycKaLL._CR0,204,1224,1224_UX256.jpg)
Amazon.com: Garmin vívofit 4 activity tracker with 1+ year battery life and color display. Small/Medium, Black. 010-01847-00, 0.61 inches : Sports & Outdoors
![Amazon.com: Garmin vívofit 4 activity tracker with 1+ year battery life and color display. Small/Medium, Black. 010-01847-00, 0.61 inches : Sports & Outdoors Amazon.com: Garmin vívofit 4 activity tracker with 1+ year battery life and color display. Small/Medium, Black. 010-01847-00, 0.61 inches : Sports & Outdoors](https://m.media-amazon.com/images/I/71ifLfruSWL.jpg)