Meet Fitbit's next Fitbits. The fitness-tracker company is unveiling two new devices today, the $150 Charge 2 with heart rate monitoring and a larger screen, and the smaller, "swim-proof" $100 Flex 2 ...

Fitbit, the leader in the connected health and fitness market, today introduced two new fitness wristbands - Fitbit Charge 2 and Fitbit Flex 2. Fitbit Charge 2: In addition to PurePulse heart rate ...