8 - QtBluetooth - Enables basic Bluetooth operations like scanning for devices and connecting them
QBluetoothAddress - Assigns an address to the Bluetooth device
QBluetoothDeviceDiscoveryAgent - Discovers the Bluetooth devices nearby
QBluetoothDeviceInfo - Stores information about the Bluetooth device
QBluetoothHostInfo - Encapsulates the details of a local QBluetooth device
QBluetoothLocalDevice - Enables access to the local Bluetooth device
QBluetoothServer - Uses the RFCOMM or L2cap protocol to communicate with a Bluetooth device
QBluetoothServiceDiscoveryAgent - Enables you to query for Bluetooth services
QBluetoothServiceInfo - Enables access to the attributes of a Bluetooth service
QBluetoothServiceInfo::Alternative - Stores attributes of a Bluetooth Data Element Alternative
QBluetoothServiceInfo::Sequence - Stores attributes of a Bluetooth Data Element Sequence
QBluetoothSocket - Enables connection to a Bluetooth device running a bluetooth server
QBluetoothTransferManager - Transfers data to another device using Object Push Profile (OPP)
QBluetoothTransferReply - Stores the response for a data transfer request
QBluetoothTransferRequest - Stores information about a data transfer request
QBluetoothUuid - Generates a UUID for each Bluetooth service
QLowEnergyCharacteristic - Stores information about a Bluetooth Low Energy service characteristic
QLowEnergyController - Access to Bluetooth Low Energy Devices
QLowEnergyDescriptor - Stores information about the Bluetooth Low Energy descriptor
QLowEnergyService - Represents an individual service on a Bluetooth Low Energy Device
原文：http://www.cnblogs.com/stycpp-2016/p/6382168.html