Update: Since the original Fitbit Flex we’ve seen a whole new selection of Fitbit devices including the Fitbit Charge and Fitbit Charge HR. The Flex is still one of the company’s best trackers and it’s still a popular option thanks to its more affordable price points and its reliability. Plus, firmware updates now let you track your sleep automatically
Announced at CES back in 2013, the Fitbit Flex combines the step-counting technology that made its One and Zip products so useful, and places it on the wrist for convenience.
This big design change has some pretty big advantages. For a start, the fear of having the small sensor pop out from a pocket while walking is gone. With the wrist mounted option, you always know where the device is.
The second major benefit is for sleep-tracking. While the Fitbit One offered the ability to track sleep by slipping the sensor into a soft, velcro arm band, the Flex leaves the sensor permanently attached, allowing you to switch modes without removing the device at all.
In fact, thanks to a firmware update in December 2015, you no longer need to even switch sleep tracking on – it will do it for …read more
Source:: techradar.com – Gadgets