![Amazon.com: MYKRONOZ ZeFit4 HR Fitness Activity Tracker with Heart Rate Monitoring, Color Touchscreen & Smart Notifications - Brown/Brown Amazon.com: MYKRONOZ ZeFit4 HR Fitness Activity Tracker with Heart Rate Monitoring, Color Touchscreen & Smart Notifications - Brown/Brown](https://m.media-amazon.com/images/S/aplus-media/vc/503a2b0a-eab0-4b36-9c0b-43618dd38255._SR970,300_.jpg)
Amazon.com: MYKRONOZ ZeFit4 HR Fitness Activity Tracker with Heart Rate Monitoring, Color Touchscreen & Smart Notifications - Brown/Brown
![Amazon.com: MYKRONOZ ZeFit4 HR Fitness Activity Tracker with Heart Rate Monitoring, Color Touchscreen & Smart Notifications - Brown/Brown Amazon.com: MYKRONOZ ZeFit4 HR Fitness Activity Tracker with Heart Rate Monitoring, Color Touchscreen & Smart Notifications - Brown/Brown](https://m.media-amazon.com/images/I/71JDFxTUk9L._AC_SL1500_.jpg)
Amazon.com: MYKRONOZ ZeFit4 HR Fitness Activity Tracker with Heart Rate Monitoring, Color Touchscreen & Smart Notifications - Brown/Brown
![MyKronoz introduces the new generation of its stylish fitness trackers – ZeFit 4 & ZeFit 4HR – MyKronoz MyKronoz introduces the new generation of its stylish fitness trackers – ZeFit 4 & ZeFit 4HR – MyKronoz](https://cdn-magento.mykronoz.com/media/clnews/1502467211496618972.png)
MyKronoz introduces the new generation of its stylish fitness trackers – ZeFit 4 & ZeFit 4HR – MyKronoz
![Amazon.com: MYKRONOZ ZeFit4 HR Fitness Activity Tracker with Heart Rate Monitoring, Color Touchscreen & Smart Notifications - Blue/Silver Amazon.com: MYKRONOZ ZeFit4 HR Fitness Activity Tracker with Heart Rate Monitoring, Color Touchscreen & Smart Notifications - Blue/Silver](https://m.media-amazon.com/images/I/41xWduzW3vL._AC_.jpg)
Amazon.com: MYKRONOZ ZeFit4 HR Fitness Activity Tracker with Heart Rate Monitoring, Color Touchscreen & Smart Notifications - Blue/Silver
![Amazon.com: MyKronoz ZeFit3HR - Activity Tracker with Color Touchscreen, Smart Notifications and Heart Rate Monitor (Black/Black) : Sports & Outdoors Amazon.com: MyKronoz ZeFit3HR - Activity Tracker with Color Touchscreen, Smart Notifications and Heart Rate Monitor (Black/Black) : Sports & Outdoors](https://m.media-amazon.com/images/I/51dWmksffiL._AC_SX466_.jpg)
Amazon.com: MyKronoz ZeFit3HR - Activity Tracker with Color Touchscreen, Smart Notifications and Heart Rate Monitor (Black/Black) : Sports & Outdoors
![Amazon.com: MYKRONOZ ZeFit4 HR Fitness Activity Tracker with Heart Rate Monitoring, Color Touchscreen & Smart Notifications - Brown/Brown Amazon.com: MYKRONOZ ZeFit4 HR Fitness Activity Tracker with Heart Rate Monitoring, Color Touchscreen & Smart Notifications - Brown/Brown](https://m.media-amazon.com/images/I/41tymQh46yL._AC_.jpg)
Amazon.com: MYKRONOZ ZeFit4 HR Fitness Activity Tracker with Heart Rate Monitoring, Color Touchscreen & Smart Notifications - Brown/Brown
![Amazon.com: MYKRONOZ ZeFit4 HR Fitness Activity Tracker with Heart Rate Monitoring, Color Touchscreen & Smart Notifications - Blue/Silver Amazon.com: MYKRONOZ ZeFit4 HR Fitness Activity Tracker with Heart Rate Monitoring, Color Touchscreen & Smart Notifications - Blue/Silver](https://m.media-amazon.com/images/I/813dc+MWRNL._AC_SX522_.jpg)
Amazon.com: MYKRONOZ ZeFit4 HR Fitness Activity Tracker with Heart Rate Monitoring, Color Touchscreen & Smart Notifications - Blue/Silver
![Amazon.com: MYKRONOZ ZeFit4 HR Fitness Activity Tracker with Heart Rate Monitoring, Color Touchscreen & Smart Notifications - Brown/Brown Amazon.com: MYKRONOZ ZeFit4 HR Fitness Activity Tracker with Heart Rate Monitoring, Color Touchscreen & Smart Notifications - Brown/Brown](https://m.media-amazon.com/images/I/61NNr93ohlL._AC_SX466_.jpg)