The Amazon.com, Inc. logo is seen on the side of a delivery truck in Brooklyn
The Amazon.com, Inc. logo is seen on the side of a delivery truck in Brooklyn, New York October 23, 2014. Amazon.com Inc is expected to report a third-quarter loss of 74 cents per share and provide an outlook for the upcoming holiday shopping quarter. Reuters/Brendan McDermid

The retailing giant is offering dozens of health and activity trackers and even exercise and sporting equipment on its mark down list. But in this article, some of the best fitness trackers that Amazon has placed on sale that are worth checking out have been picked.

UP 24 by Jawbone

The UP24 is Jawbone's third-generation of its UP fitness tracker line-up. This version of Jawbone's fitness trackers is one of the few that is easy to use and comes with clever apps plus its comfortable fit that consumers might find hard to resist. Based on a review by The Verge, the UP24 is equipped with the wireless syncing feature, which happens to be one of the most requested features in a fitness tracker.

One loophole for the smartband could be its lack of screen where in users can regularly check their progress. Without a regular screen, the UP24 is basically visually challenged as compared to its rivals. On the other hand, the wireless Bluetooth syncing could be considered as the best improvement in the UP24. The feature enables constant communication with its paired mobile app and pays attention to user's behavior 24 hours a day and 7 days a week.

UP24 by Jawbone has an original retail price of US$129 but Amazon has marked down to US$99. The Bluetooth enabled fitness tracker comes in medium size.

Garmin Vivofit Fitness Band

The Garmin Vivofit Fitness band boasts its "always-on" display and its battery that can last for a year in a single charge. It might not be as well-designed compared to the other smartbands in the arena but the Vivofit made sure that it comes with a comfortable and interchangeable wristband.

According to CNET's review, this wearable has the ability to count steps and distance traveled and has the ability to display estimated calories burned. It is also equipped with Bluetooth 4.0 and features the Garmin Connect app which allows the wearable to sync with any Android or iOS devices.

Garmin Vivofit Fitness Band has an original retail price of US$129.99 but is now selling at Amazon for US$78.99. The GPS enabled smartband is available in black variant.

Fitbit Zip

The Fitbit Zip is cheaply priced compared to its more expensive rivals. Based on Live Science's review, the tiny inexpensive fitness tracker can also count steps, miles walked and even calories burned. The smartband runs on watch battery which means that it requires no charging but there might be a need to replace battery every 4 to 6 months.

The Fitbit Zip Wireless Activity Tracker has an original price of US$59.95 but has been discounted at Amazon for US$48.43. The economical fitness tracker comes in charcoal variant.

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