# IOBluetooth Data Types ## Topics ### Data Types [`typealias BluetoothAFHMode`](/documentation/IOBluetooth/BluetoothAFHMode) [`typealias BluetoothAirMode`](/documentation/IOBluetooth/BluetoothAirMode) [`typealias BluetoothAllowRoleSwitch`](/documentation/IOBluetooth/BluetoothAllowRoleSwitch) [`typealias BluetoothAuthenticationRequirements`](/documentation/IOBluetooth/BluetoothAuthenticationRequirements) [`struct BluetoothAuthenticationRequirementsValues`](/documentation/IOBluetooth/BluetoothAuthenticationRequirementsValues) [`typealias BluetoothClassOfDevice`](/documentation/IOBluetooth/BluetoothClassOfDevice) [`typealias BluetoothClockOffset`](/documentation/IOBluetooth/BluetoothClockOffset) [`struct BluetoothCompanyIdentifers`](/documentation/IOBluetooth/BluetoothCompanyIdentifers) [`typealias BluetoothConnectionHandle`](/documentation/IOBluetooth/BluetoothConnectionHandle) [`typealias BluetoothDeviceClassMajor`](/documentation/IOBluetooth/BluetoothDeviceClassMajor) [`typealias BluetoothDeviceClassMinor`](/documentation/IOBluetooth/BluetoothDeviceClassMinor) [`typealias BluetoothDeviceName`](/documentation/IOBluetooth/BluetoothDeviceName) [`typealias BluetoothEncryptionEnable`](/documentation/IOBluetooth/BluetoothEncryptionEnable) [`struct BluetoothFeatureBits`](/documentation/IOBluetooth/BluetoothFeatureBits) [`typealias BluetoothHCIACLDataByteCount`](/documentation/IOBluetooth/BluetoothHCIACLDataByteCount) [`typealias BluetoothHCIAFHChannelAssessmentMode`](/documentation/IOBluetooth/BluetoothHCIAFHChannelAssessmentMode) [`struct BluetoothHCIAFHChannelAssessmentModes`](/documentation/IOBluetooth/BluetoothHCIAFHChannelAssessmentModes) [`typealias BluetoothHCIAuthenticationEnable`](/documentation/IOBluetooth/BluetoothHCIAuthenticationEnable) [`struct BluetoothHCIAuthentionEnableModes`](/documentation/IOBluetooth/BluetoothHCIAuthentionEnableModes) [`typealias BluetoothHCIAutomaticFlushTimeout`](/documentation/IOBluetooth/BluetoothHCIAutomaticFlushTimeout) [`typealias BluetoothHCICommandOpCode`](/documentation/IOBluetooth/BluetoothHCICommandOpCode) [`typealias BluetoothHCICommandOpCodeCommand`](/documentation/IOBluetooth/BluetoothHCICommandOpCodeCommand) [`typealias BluetoothHCICommandOpCodeGroup`](/documentation/IOBluetooth/BluetoothHCICommandOpCodeGroup) [`typealias BluetoothHCIConnectionAcceptTimeout`](/documentation/IOBluetooth/BluetoothHCIConnectionAcceptTimeout) [`typealias BluetoothHCIConnectionMode`](/documentation/IOBluetooth/BluetoothHCIConnectionMode) [`struct BluetoothHCIConnectionModes`](/documentation/IOBluetooth/BluetoothHCIConnectionModes) [`typealias BluetoothHCIContentFormat`](/documentation/IOBluetooth/BluetoothHCIContentFormat) [`typealias BluetoothHCICountryCode`](/documentation/IOBluetooth/BluetoothHCICountryCode) [`typealias BluetoothHCIDataID`](/documentation/IOBluetooth/BluetoothHCIDataID) [`typealias BluetoothHCIDeleteStoredLinkKeyFlag`](/documentation/IOBluetooth/BluetoothHCIDeleteStoredLinkKeyFlag) [`struct BluetoothHCIDeleteStoredLinkKeyFlags`](/documentation/IOBluetooth/BluetoothHCIDeleteStoredLinkKeyFlags) [`typealias BluetoothHCIEncryptionMode`](/documentation/IOBluetooth/BluetoothHCIEncryptionMode) [`struct BluetoothHCIEncryptionModes`](/documentation/IOBluetooth/BluetoothHCIEncryptionModes) [`typealias BluetoothHCIErroneousDataReporting`](/documentation/IOBluetooth/BluetoothHCIErroneousDataReporting) [`typealias BluetoothHCIEventCode`](/documentation/IOBluetooth/BluetoothHCIEventCode) [`typealias BluetoothHCIEventID`](/documentation/IOBluetooth/BluetoothHCIEventID) [`typealias BluetoothHCIEventMask`](/documentation/IOBluetooth/BluetoothHCIEventMask) [`typealias BluetoothHCIEventStatus`](/documentation/IOBluetooth/BluetoothHCIEventStatus) [`typealias BluetoothHCIExtendedInquiryResponseDataType`](/documentation/IOBluetooth/BluetoothHCIExtendedInquiryResponseDataType) [`struct BluetoothHCIExtendedInquiryResponseDataTypes`](/documentation/IOBluetooth/BluetoothHCIExtendedInquiryResponseDataTypes) [`typealias BluetoothHCIFECRequired`](/documentation/IOBluetooth/BluetoothHCIFECRequired) [`struct BluetoothHCIFECRequiredValues`](/documentation/IOBluetooth/BluetoothHCIFECRequiredValues) [`typealias BluetoothHCIFailedContactCount`](/documentation/IOBluetooth/BluetoothHCIFailedContactCount) [`typealias BluetoothHCIFlowControlState`](/documentation/IOBluetooth/BluetoothHCIFlowControlState) [`struct BluetoothHCIGeneralFlowControlStates`](/documentation/IOBluetooth/BluetoothHCIGeneralFlowControlStates) [`typealias BluetoothHCIHoldModeActivity`](/documentation/IOBluetooth/BluetoothHCIHoldModeActivity) [`struct BluetoothHCIHoldModeActivityStates`](/documentation/IOBluetooth/BluetoothHCIHoldModeActivityStates) [`typealias BluetoothHCIInputBandwidth`](/documentation/IOBluetooth/BluetoothHCIInputBandwidth) [`typealias BluetoothHCIInputCodedDataSize`](/documentation/IOBluetooth/BluetoothHCIInputCodedDataSize) [`typealias BluetoothHCIInputCodingFormat`](/documentation/IOBluetooth/BluetoothHCIInputCodingFormat) [`typealias BluetoothHCIInputDataPath`](/documentation/IOBluetooth/BluetoothHCIInputDataPath) [`typealias BluetoothHCIInputPCMDataFormat`](/documentation/IOBluetooth/BluetoothHCIInputPCMDataFormat) [`typealias BluetoothHCIInputPCMSamplePayloadMSBPosition`](/documentation/IOBluetooth/BluetoothHCIInputPCMSamplePayloadMSBPosition) [`typealias BluetoothHCIInputTransportUnitSize`](/documentation/IOBluetooth/BluetoothHCIInputTransportUnitSize) [`typealias BluetoothHCIInquiryAccessCodeCount`](/documentation/IOBluetooth/BluetoothHCIInquiryAccessCodeCount) [`typealias BluetoothHCIInquiryLength`](/documentation/IOBluetooth/BluetoothHCIInquiryLength) [`typealias BluetoothHCIInquiryMode`](/documentation/IOBluetooth/BluetoothHCIInquiryMode) [`struct BluetoothHCIInquiryModes`](/documentation/IOBluetooth/BluetoothHCIInquiryModes) [`typealias BluetoothHCIInquiryScanType`](/documentation/IOBluetooth/BluetoothHCIInquiryScanType) [`struct BluetoothHCIInquiryScanTypes`](/documentation/IOBluetooth/BluetoothHCIInquiryScanTypes) [`typealias BluetoothHCILESupportedFeatures`](/documentation/IOBluetooth/BluetoothHCILESupportedFeatures) [`typealias BluetoothHCILEUsedFeatures`](/documentation/IOBluetooth/BluetoothHCILEUsedFeatures) [`typealias BluetoothHCILinkPolicySettings`](/documentation/IOBluetooth/BluetoothHCILinkPolicySettings) [`struct BluetoothHCILinkPolicySettingsValues`](/documentation/IOBluetooth/BluetoothHCILinkPolicySettingsValues) [`typealias BluetoothHCILinkQuality`](/documentation/IOBluetooth/BluetoothHCILinkQuality) [`typealias BluetoothHCILoopbackMode`](/documentation/IOBluetooth/BluetoothHCILoopbackMode) [`typealias BluetoothHCIMaxLatency`](/documentation/IOBluetooth/BluetoothHCIMaxLatency) [`typealias BluetoothHCIModeInterval`](/documentation/IOBluetooth/BluetoothHCIModeInterval) [`typealias BluetoothHCINumBroadcastRetransmissions`](/documentation/IOBluetooth/BluetoothHCINumBroadcastRetransmissions) [`typealias BluetoothHCINumLinkKeysDeleted`](/documentation/IOBluetooth/BluetoothHCINumLinkKeysDeleted) [`typealias BluetoothHCINumLinkKeysToWrite`](/documentation/IOBluetooth/BluetoothHCINumLinkKeysToWrite) [`typealias BluetoothHCIOperationID`](/documentation/IOBluetooth/BluetoothHCIOperationID) [`typealias BluetoothHCIOutputBandwidth`](/documentation/IOBluetooth/BluetoothHCIOutputBandwidth) [`typealias BluetoothHCIOutputCodedDataSize`](/documentation/IOBluetooth/BluetoothHCIOutputCodedDataSize) [`typealias BluetoothHCIOutputCodingFormat`](/documentation/IOBluetooth/BluetoothHCIOutputCodingFormat) [`typealias BluetoothHCIOutputDataPath`](/documentation/IOBluetooth/BluetoothHCIOutputDataPath) [`typealias BluetoothHCIOutputPCMDataFormat`](/documentation/IOBluetooth/BluetoothHCIOutputPCMDataFormat) [`typealias BluetoothHCIOutputPCMSamplePayloadMSBPosition`](/documentation/IOBluetooth/BluetoothHCIOutputPCMSamplePayloadMSBPosition) [`typealias BluetoothHCIOutputTransportUnitSize`](/documentation/IOBluetooth/BluetoothHCIOutputTransportUnitSize) [`typealias BluetoothHCIPageNumber`](/documentation/IOBluetooth/BluetoothHCIPageNumber) [`typealias BluetoothHCIPageScanEnableState`](/documentation/IOBluetooth/BluetoothHCIPageScanEnableState) [`struct BluetoothHCIPageScanEnableStates`](/documentation/IOBluetooth/BluetoothHCIPageScanEnableStates) [`typealias BluetoothHCIPageScanMode`](/documentation/IOBluetooth/BluetoothHCIPageScanMode) [`struct BluetoothHCIPageScanModes`](/documentation/IOBluetooth/BluetoothHCIPageScanModes) [`typealias BluetoothHCIPageScanPeriodMode`](/documentation/IOBluetooth/BluetoothHCIPageScanPeriodMode) [`struct BluetoothHCIPageScanPeriodModes`](/documentation/IOBluetooth/BluetoothHCIPageScanPeriodModes) [`typealias BluetoothHCIPageScanType`](/documentation/IOBluetooth/BluetoothHCIPageScanType) [`struct BluetoothHCIPageScanTypes`](/documentation/IOBluetooth/BluetoothHCIPageScanTypes) [`typealias BluetoothHCIPageTimeout`](/documentation/IOBluetooth/BluetoothHCIPageTimeout) [`typealias BluetoothHCIParamByteCount`](/documentation/IOBluetooth/BluetoothHCIParamByteCount) [`typealias BluetoothHCIParkModeBeaconInterval`](/documentation/IOBluetooth/BluetoothHCIParkModeBeaconInterval) [`typealias BluetoothHCIQoSFlags`](/documentation/IOBluetooth/BluetoothHCIQoSFlags) [`typealias BluetoothHCIRSSIValue`](/documentation/IOBluetooth/BluetoothHCIRSSIValue) [`typealias BluetoothHCIReadStoredLinkKeysFlag`](/documentation/IOBluetooth/BluetoothHCIReadStoredLinkKeysFlag) [`struct BluetoothHCIReadStoredLinkKeysFlags`](/documentation/IOBluetooth/BluetoothHCIReadStoredLinkKeysFlags) [`typealias BluetoothHCIReceiveBandwidth`](/documentation/IOBluetooth/BluetoothHCIReceiveBandwidth) [`typealias BluetoothHCIReceiveCodecFrameSize`](/documentation/IOBluetooth/BluetoothHCIReceiveCodecFrameSize) [`typealias BluetoothHCIReceiveCodingFormat`](/documentation/IOBluetooth/BluetoothHCIReceiveCodingFormat) [`typealias BluetoothHCIRequestID`](/documentation/IOBluetooth/BluetoothHCIRequestID) [`typealias BluetoothHCIResponseCount`](/documentation/IOBluetooth/BluetoothHCIResponseCount) [`typealias BluetoothHCIRetransmissionEffort`](/documentation/IOBluetooth/BluetoothHCIRetransmissionEffort) [`struct BluetoothHCIRetransmissionEffortTypes`](/documentation/IOBluetooth/BluetoothHCIRetransmissionEffortTypes) [`typealias BluetoothHCIRole`](/documentation/IOBluetooth/BluetoothHCIRole) [`struct BluetoothHCIRoles`](/documentation/IOBluetooth/BluetoothHCIRoles) [`typealias BluetoothHCISCODataByteCount`](/documentation/IOBluetooth/BluetoothHCISCODataByteCount) [`struct BluetoothHCISCOFlowControlStates`](/documentation/IOBluetooth/BluetoothHCISCOFlowControlStates) [`typealias BluetoothHCISignalID`](/documentation/IOBluetooth/BluetoothHCISignalID) [`typealias BluetoothHCISimplePairingMode`](/documentation/IOBluetooth/BluetoothHCISimplePairingMode) [`struct BluetoothHCISimplePairingModes`](/documentation/IOBluetooth/BluetoothHCISimplePairingModes) [`typealias BluetoothHCISniffAttemptCount`](/documentation/IOBluetooth/BluetoothHCISniffAttemptCount) [`typealias BluetoothHCISniffTimeout`](/documentation/IOBluetooth/BluetoothHCISniffTimeout) [`typealias BluetoothHCIStatus`](/documentation/IOBluetooth/BluetoothHCIStatus) [`typealias BluetoothHCISupportedIAC`](/documentation/IOBluetooth/BluetoothHCISupportedIAC) [`struct BluetoothHCITimeoutValues`](/documentation/IOBluetooth/BluetoothHCITimeoutValues) [`typealias BluetoothHCITransmitBandwidth`](/documentation/IOBluetooth/BluetoothHCITransmitBandwidth) [`typealias BluetoothHCITransmitCodecFrameSize`](/documentation/IOBluetooth/BluetoothHCITransmitCodecFrameSize) [`typealias BluetoothHCITransmitCodingFormat`](/documentation/IOBluetooth/BluetoothHCITransmitCodingFormat) [`typealias BluetoothHCITransmitPowerLevel`](/documentation/IOBluetooth/BluetoothHCITransmitPowerLevel) [`typealias BluetoothHCITransmitPowerLevelType`](/documentation/IOBluetooth/BluetoothHCITransmitPowerLevelType) [`struct BluetoothHCITransmitReadPowerLevelTypes`](/documentation/IOBluetooth/BluetoothHCITransmitReadPowerLevelTypes) [`typealias BluetoothHCITransportCommandID`](/documentation/IOBluetooth/BluetoothHCITransportCommandID) [`typealias BluetoothHCITransportID`](/documentation/IOBluetooth/BluetoothHCITransportID) [`typealias BluetoothHCIVendorCommandSelector`](/documentation/IOBluetooth/BluetoothHCIVendorCommandSelector) [`struct BluetoothHCIVersions`](/documentation/IOBluetooth/BluetoothHCIVersions) [`typealias BluetoothHCIVoiceSetting`](/documentation/IOBluetooth/BluetoothHCIVoiceSetting) [`struct BluetoothIOCapabilities`](/documentation/IOBluetooth/BluetoothIOCapabilities) [`typealias BluetoothIOCapability`](/documentation/IOBluetooth/BluetoothIOCapability) [`typealias BluetoothKeyFlag`](/documentation/IOBluetooth/BluetoothKeyFlag) [`typealias BluetoothKeyType`](/documentation/IOBluetooth/BluetoothKeyType) [`typealias BluetoothKeypressNotificationType`](/documentation/IOBluetooth/BluetoothKeypressNotificationType) [`struct BluetoothKeypressNotificationTypes`](/documentation/IOBluetooth/BluetoothKeypressNotificationTypes) [`typealias BluetoothL2CAPByteCount`](/documentation/IOBluetooth/BluetoothL2CAPByteCount) [`typealias BluetoothL2CAPChannelID`](/documentation/IOBluetooth/BluetoothL2CAPChannelID) [`typealias BluetoothL2CAPCommandByteCount`](/documentation/IOBluetooth/BluetoothL2CAPCommandByteCount) [`typealias BluetoothL2CAPCommandID`](/documentation/IOBluetooth/BluetoothL2CAPCommandID) [`typealias BluetoothL2CAPFlushTimeout`](/documentation/IOBluetooth/BluetoothL2CAPFlushTimeout) [`typealias BluetoothL2CAPGroupID`](/documentation/IOBluetooth/BluetoothL2CAPGroupID) [`typealias BluetoothL2CAPLinkTimeout`](/documentation/IOBluetooth/BluetoothL2CAPLinkTimeout) [`typealias BluetoothL2CAPMTU`](/documentation/IOBluetooth/BluetoothL2CAPMTU) [`typealias BluetoothL2CAPPSM`](/documentation/IOBluetooth/BluetoothL2CAPPSM) [`typealias BluetoothLAP`](/documentation/IOBluetooth/BluetoothLAP) [`struct BluetoothLEFeatureBits`](/documentation/IOBluetooth/BluetoothLEFeatureBits) [`struct BluetoothLESecurityManagerKeyDistributionFormat`](/documentation/IOBluetooth/BluetoothLESecurityManagerKeyDistributionFormat) [`typealias BluetoothLMPHandle`](/documentation/IOBluetooth/BluetoothLMPHandle) [`typealias BluetoothLMPSubversion`](/documentation/IOBluetooth/BluetoothLMPSubversion) [`typealias BluetoothLMPVersion`](/documentation/IOBluetooth/BluetoothLMPVersion) [`struct BluetoothLMPVersions`](/documentation/IOBluetooth/BluetoothLMPVersions) [`typealias BluetoothLinkType`](/documentation/IOBluetooth/BluetoothLinkType) [`struct BluetoothLinkTypes`](/documentation/IOBluetooth/BluetoothLinkTypes) [`typealias BluetoothManufacturerName`](/documentation/IOBluetooth/BluetoothManufacturerName) [`typealias BluetoothMaxSlots`](/documentation/IOBluetooth/BluetoothMaxSlots) [`typealias BluetoothNumericValue`](/documentation/IOBluetooth/BluetoothNumericValue) [`typealias BluetoothOOBDataPresence`](/documentation/IOBluetooth/BluetoothOOBDataPresence) [`struct BluetoothOOBDataPresenceValues`](/documentation/IOBluetooth/BluetoothOOBDataPresenceValues) [`typealias BluetoothPINType`](/documentation/IOBluetooth/BluetoothPINType) [`typealias BluetoothPacketType`](/documentation/IOBluetooth/BluetoothPacketType) [`typealias BluetoothPageScanMode`](/documentation/IOBluetooth/BluetoothPageScanMode) [`typealias BluetoothPageScanPeriodMode`](/documentation/IOBluetooth/BluetoothPageScanPeriodMode) [`typealias BluetoothPageScanRepetitionMode`](/documentation/IOBluetooth/BluetoothPageScanRepetitionMode) [`typealias BluetoothPasskey`](/documentation/IOBluetooth/BluetoothPasskey) [`typealias BluetoothRFCOMMChannelID`](/documentation/IOBluetooth/BluetoothRFCOMMChannelID) [`typealias BluetoothRFCOMMMTU`](/documentation/IOBluetooth/BluetoothRFCOMMMTU) [`typealias BluetoothReasonCode`](/documentation/IOBluetooth/BluetoothReasonCode) [`typealias BluetoothRole`](/documentation/IOBluetooth/BluetoothRole) [`typealias BluetoothSDPDataElementSizeDescriptor`](/documentation/IOBluetooth/BluetoothSDPDataElementSizeDescriptor) [`typealias BluetoothSDPDataElementTypeDescriptor`](/documentation/IOBluetooth/BluetoothSDPDataElementTypeDescriptor) [`typealias BluetoothSDPErrorCode`](/documentation/IOBluetooth/BluetoothSDPErrorCode) [`typealias BluetoothSDPPDUID`](/documentation/IOBluetooth/BluetoothSDPPDUID) [`typealias BluetoothSDPServiceAttributeID`](/documentation/IOBluetooth/BluetoothSDPServiceAttributeID) [`typealias BluetoothSDPServiceRecordHandle`](/documentation/IOBluetooth/BluetoothSDPServiceRecordHandle) [`typealias BluetoothSDPTransactionID`](/documentation/IOBluetooth/BluetoothSDPTransactionID) [`typealias BluetoothSDPUUID16`](/documentation/IOBluetooth/BluetoothSDPUUID16) [`typealias BluetoothSDPUUID32`](/documentation/IOBluetooth/BluetoothSDPUUID32) [`typealias BluetoothServiceClassMajor`](/documentation/IOBluetooth/BluetoothServiceClassMajor) [`typealias BluetoothSimplePairingDebugMode`](/documentation/IOBluetooth/BluetoothSimplePairingDebugMode) [`struct BluetoothSimplePairingDebugModes`](/documentation/IOBluetooth/BluetoothSimplePairingDebugModes) [`typealias BluetoothTransportInfoPtr`](/documentation/IOBluetooth/BluetoothTransportInfoPtr) [`struct BluetoothTransportTypes`](/documentation/IOBluetooth/BluetoothTransportTypes) [`struct FTSFileType`](/documentation/IOBluetooth/FTSFileType) [`struct IOBluetoothDeviceSearchOptionsBits`](/documentation/IOBluetooth/IOBluetoothDeviceSearchOptionsBits) [`typealias IOBluetoothDeviceSearchTypes`](/documentation/IOBluetooth/IOBluetoothDeviceSearchTypes) [`struct IOBluetoothDeviceSearchTypesBits`](/documentation/IOBluetooth/IOBluetoothDeviceSearchTypesBits) Bits to determine what Bluetooth devices to search for [`typealias IOBluetoothL2CAPChannelIncomingDataListener`](/documentation/IOBluetooth/IOBluetoothL2CAPChannelIncomingDataListener) [`typealias IOBluetoothL2CAPChannelIncomingEventListener`](/documentation/IOBluetooth/IOBluetoothL2CAPChannelIncomingEventListener) [`typealias IOBluetoothOBEXSessionOpenConnectionCallback`](/documentation/IOBluetooth/IOBluetoothOBEXSessionOpenConnectionCallback) [`typealias IOBluetoothObjectID`](/documentation/IOBluetooth/IOBluetoothObjectID) [`struct OBEXConnectFlagValues`](/documentation/IOBluetooth/OBEXConnectFlagValues) Flags for Connect command. [`typealias OBEXConstants`](/documentation/IOBluetooth/OBEXConstants) [`struct OBEXErrorCodes`](/documentation/IOBluetooth/OBEXErrorCodes) [`typealias OBEXFlags`](/documentation/IOBluetooth/OBEXFlags) [`typealias OBEXHeaderIdentifier`](/documentation/IOBluetooth/OBEXHeaderIdentifier) [`struct OBEXHeaderIdentifiers`](/documentation/IOBluetooth/OBEXHeaderIdentifiers) Identifiers for OBEX Headers. [`typealias OBEXMaxPacketLength`](/documentation/IOBluetooth/OBEXMaxPacketLength) [`struct OBEXNonceFlagValues`](/documentation/IOBluetooth/OBEXNonceFlagValues) Flags for Nonce command during digest challenge. [`typealias OBEXOpCode`](/documentation/IOBluetooth/OBEXOpCode) [`struct OBEXOpCodeCommandValues`](/documentation/IOBluetooth/OBEXOpCodeCommandValues) Operation OpCode values for commands. [`struct OBEXOpCodeResponseValues`](/documentation/IOBluetooth/OBEXOpCodeResponseValues) Response opCode values. [`struct OBEXOpCodeSessionValues`](/documentation/IOBluetooth/OBEXOpCodeSessionValues) Operation OpCode values for sessions. From the OBEX 1.3 specification. [`struct OBEXPutFlagValues`](/documentation/IOBluetooth/OBEXPutFlagValues) [`struct OBEXRealmValues`](/documentation/IOBluetooth/OBEXRealmValues) Values for Realm during digest response. [`typealias OBEXSessionEventCallback`](/documentation/IOBluetooth/OBEXSessionEventCallback) [`typealias OBEXSessionEventType`](/documentation/IOBluetooth/OBEXSessionEventType) [`struct OBEXSessionEventTypes`](/documentation/IOBluetooth/OBEXSessionEventTypes) Type identifiers for OBEX sessions. [`struct OBEXSessionParameterTags`](/documentation/IOBluetooth/OBEXSessionParameterTags) Tags for SessionParameters. [`typealias OBEXSessionRef`](/documentation/IOBluetooth/OBEXSessionRef) [`typealias OBEXTransportEventType`](/documentation/IOBluetooth/OBEXTransportEventType) [`struct OBEXTransportEventTypes`](/documentation/IOBluetooth/OBEXTransportEventTypes) [`typealias OBEXVersion`](/documentation/IOBluetooth/OBEXVersion) [`struct OBEXVersions`](/documentation/IOBluetooth/OBEXVersions) The available/supported OBEX versions. [`typealias PrivOBEXSessionDataRef`](/documentation/IOBluetooth/PrivOBEXSessionDataRef) [`struct ProtocolParameters`](/documentation/IOBluetooth/ProtocolParameters) [`struct SDPAttributeDeviceIdentificationRecord`](/documentation/IOBluetooth/SDPAttributeDeviceIdentificationRecord) [`struct SDPAttributeIdentifierCodes`](/documentation/IOBluetooth/SDPAttributeIdentifierCodes) [`struct SDPServiceClasses`](/documentation/IOBluetooth/SDPServiceClasses) [`typealias TransmissionPower`](/documentation/IOBluetooth/TransmissionPower) [`typealias BluetoothHCIEncryptionKeySize`](/documentation/IOBluetooth/BluetoothHCIEncryptionKeySize) --- Copyright © 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)