Premier partners and connected apps.

The Microsoft Band app lets you share your activity data with your favorite fitness apps, and gives you access to experiences developed with premier sports and lifestyle brands.

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* Microsoft Band app required. Works with Windows Phone 8.1 update or later, iPhone® 5 or later running iOS® 8.1.2 or later, and Android™ 4.3 or later phones, with Bluetooth.
2 Cortana only available with Windows Phone 8.1 update or later; available in English only.