Samsung Galaxy Fit 2: This fitness tracker's battery life will be a whopping two weeks - CNET
Amazon.com : L8star Fitness Tracker,1.3'' Large Color Screen Activity Tracker,Heart Rate Monitor Watch, Sleep Monitor,Calories Counter, IP67 Waterproof, Steps Pedometer for Kids, Women and Men : Sports & Outdoors
COLMI P8 Smart Watch Women Full Touch Fitness Tracker 7 Days Battery Life Waterproof Smartwatch men GTS for Xiaomi phone iPhone|Smart Watches| - AliExpress
vivofit 2 | Garmin | Fitness Tracker
Die 5 besten Fitnesstracker im Vergleich - TECHBOOK