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Announced last month, the new Nike+ FuelBand SE has gone on sale through Apple’s Online Store. The new fitness-tracking gadget was scheduled to go on sale on November 6th, and it is still listed as being solely available for pre-order direct from Nike’s website. Tipsters also say that the new FuelBand is available to purchase from several of Apple’s physical retail stores.

The new FuelBand comes in four black-based tones (pink, black, red, and green) and in three sizes (small, medium/large, and extra large). The design is mostly similar to that of the preceding FuelBand model, but the battery life is improved due to the incorporation of Bluetooth 4.0 technology. Since the gadget is Bluetooth 4.0 based, you will need an iPhone 4s or later or a 5th-generation iPod touch to power it.

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Much like the new Nike+ Move application for the iPhone 5s, the FuelBand uses various sensors to calculate a proprietary Nike “Fuel Points” score to track your fitness and movement. The new FuelBand includes a major leap in software on the device and for iOS, allowing users to compare their fitness scores to those of their friends.