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# BluetoothHCIUSBDeviceMatchingConstants

Bluetooth USB device matching constants

## Topics

### Constants

  <doc://com.apple.documentation/documentation/kernel/1639915-anonymous/kbluetoothhcitransportusbclasscode>

  <doc://com.apple.documentation/documentation/kernel/1639915-anonymous/kbluetoothhcitransportusbsubclasscode>

  <doc://com.apple.documentation/documentation/kernel/1639915-anonymous/kbluetoothhcitransportusbprotocolcode>

[`var kBluetoothHCITransportUSBClassCode: Int`](/documentation/IOBluetooth/kBluetoothHCITransportUSBClassCode)

[`var kBluetoothHCITransportUSBProtocolCode: Int`](/documentation/IOBluetooth/kBluetoothHCITransportUSBProtocolCode)

[`var kBluetoothHCITransportUSBSubClassCode: Int`](/documentation/IOBluetooth/kBluetoothHCITransportUSBSubClassCode)


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