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How VitalSync uses Bluetooth Low Energy (BLE) to connect to compatible medical devices and automatically log vital sign readings.
For informational and educational purposes only. VitalSync is not a medical device and does not diagnose, treat, cure, or prevent any medical condition. All content presents health data against established clinical reference ranges. Always consult a qualified healthcare professional for medical advice, diagnosis, or treatment.
Bluetooth Devices Overview
VitalSync supports Bluetooth Low Energy (BLE) connectivity to compatible medical devices, allowing readings to be transferred directly to the app without manual entry.
How It Works
Supported Device Categories
| Category | Examples |
| Blood pressure cuffs | Omron, Withings, iHealth BLE-enabled models |
| Pulse oximeters | Wellue, Masimo, iHealth BLE-enabled models |
| Glucometers | Contour Next ONE, iHealth Align, Dario BLE models |
| Smart scales | Withings Body+, Eufy Smart Scale BLE models |
See the Supported BLE Devices article for the full compatibility list.
What VitalSync Does NOT Do
- VitalSync does not use Bluetooth for location tracking
- VitalSync does not pair with Apple Watch directly (Apple Watch data is read via Apple Health / HealthKit)
- VitalSync does not keep a persistent background BLE connection — scanning only occurs when you open the relevant screen
Privacy
BLE scanning is active only while the app is in the foreground on the device pairing screen. No device identifiers are stored on any server. All paired device preferences are saved locally on your device.
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Related Articles
Pairing a Bluetooth Device
Step-by-step instructions for pairing a BLE medical device with VitalSync for the first time, including iOS Bluetooth permission setup.
Supported Bluetooth Devices
A reference list of Bluetooth Low Energy medical devices that are compatible with VitalSync, organised by device category.
Bluetooth Device Troubleshooting
Fix common Bluetooth pairing and connection issues in VitalSync, including devices not appearing in the scanner, dropped connections, and readings not transferring.
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