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# pairedDeviceIdentifiers()

Returns the UUIDs of the hearing device peripherals.

```
static func pairedDeviceIdentifiers() -> [UUID]
```

## Return Value

An array of <doc://com.apple.documentation/documentation/Foundation/NSUUID>
objects that represent the <doc://com.apple.documentation/documentation/CoreBluetooth>
UUIDs of the hearing device peripherals.

## Discussion

This function returns each <doc://com.apple.documentation/documentation/CoreBluetooth/CBPeripheral>
with a manufacturer that matches the manufacturer in your app’s `hearing.aid.app`
entitlement. For bimodal hearing devices, specify an array of manufacturers for this
entitlement.

Find and connect to the matching hearing device peripherals like this:

```swift
let uuids = AXMFiHearingDevice.pairedDeviceIdentifiers()
let peripherals = bluetoothManager.retrievePeripherals(withIdentifiers: uuids)
for peripheral in peripherals where peripheral.state == .connected {
    bluetoothManager.connect(peripheral)
}
```

---

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