![Amazon.com: Fitbit Flex 2 Smart Fitness Activity Tracker, Slim Wearable Waterproof Swimming and Sleep Monitor, Wireless Bluetooth Pedometer Wristband for Android and iOS, Step Counter and Calorie Counter Watch : Sports & Amazon.com: Fitbit Flex 2 Smart Fitness Activity Tracker, Slim Wearable Waterproof Swimming and Sleep Monitor, Wireless Bluetooth Pedometer Wristband for Android and iOS, Step Counter and Calorie Counter Watch : Sports &](https://m.media-amazon.com/images/I/51qRR1ReLdL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: Fitbit Flex 2 Smart Fitness Activity Tracker, Slim Wearable Waterproof Swimming and Sleep Monitor, Wireless Bluetooth Pedometer Wristband for Android and iOS, Step Counter and Calorie Counter Watch : Sports &
![Hands-on: Fitbit's new Flex 2 and Charge 2 Activity Trackers, plus Blaze & Alta updates | DC Rainmaker Hands-on: Fitbit's new Flex 2 and Charge 2 Activity Trackers, plus Blaze & Alta updates | DC Rainmaker](https://media.dcrainmaker.com/images/2016/08/DSC_8511.jpg)
Hands-on: Fitbit's new Flex 2 and Charge 2 Activity Trackers, plus Blaze & Alta updates | DC Rainmaker
![Fitbit debuts swim-proof Flex 2 & cardio-focused Charge 2 ahead of GPS-equipped Apple Watch 2 - 9to5Mac Fitbit debuts swim-proof Flex 2 & cardio-focused Charge 2 ahead of GPS-equipped Apple Watch 2 - 9to5Mac](https://9to5mac.com/wp-content/uploads/sites/6/2016/08/screen-shot-2016-08-29-at-8-19-34-am.jpg?quality=82&strip=all&w=1024)