Other advantages that the Charge has over the Flex are as follows: a clock,
auto sleep detection, caller ID, and tracking for floors climbed in a day.
These bands also monitor steps, distance, calories, floors climbed and sleep, but also have
auto sleep detection, so you don't have to press a button before dozing off.
Not exact matches
Great activity
auto -
detection Slim, light, and well - made Excellent app and ecosystem Fantastic
sleep tracking