Once you've paired your ring with your phone for the first time, it's fine to leave your phone at home if you're going for a run, or just want to take some time to unplug. Being a stand-alone device, the ring can store data for up to 6 weeks (or 3 weeks for the first Oura ring) without syncing with the app, provided you keep the ring charged. The ring will also collect data when ring airplane mode is turned on.

Once your phone is in range again (with the app running and your device's Bluetooth enabled), the ring will upload the data to your phone automatically.

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