---
title: connectSCO()
framework: IOBluetooth
role: symbol
role_heading: Instance Method
platforms: [macOS 10.7+]
path: iobluetooth/iobluetoothhandsfree/connectsco()
---

# connectSCO()

Open a SCO connection with the device

## Declaration

```swift
func connectSCO()
```

## Discussion

Discussion Opens a SCO connection with the device. The device must already have a service level connection or this will return immediately. Delegate methods will be called once the connection is complete of a failure occurs.