You can use iPhone with the Apple Wireless Keyboard and other Bluetooth devices, such as Bluetooth headsets, car kits, and stereo headphones.
Pairing Bluetooth devices
Before you can use a Bluetooth device with iPhone, you must first pair them.Pair a Bluetooth device with iPhone:1 Make the device discoverable.See the documentation that came with the device. For an Apple Wireless Keyboard, press the power button.2 Go to Settings > Bluetooth and turn Bluetooth on.3 Select the device and, if prompted, enter the passkey or PIN. See the instructions about the passkey or PIN that came with the device.For information about using an Apple Wireless Keyboard.To use a Bluetooth headset with iPhone, see the documentation that came with the device.Return audio output to iPhone when a Bluetooth headset is connected: Turn off or unpair the device, or turn off Bluetooth in Settings > Bluetooth. Audio output returns to iPhone whenever the device is out of range. You can also use AirPlay
Bluetooth statusAfter you pair a device with iPhone, the Bluetooth icon appears in the status bar at the top ofthe screen: No Bluetooth icon: Bluetooth is not paired with a device.Unpairing a Bluetooth device from iPhoneYou can unpair a Bluetooth device if you don’t want to use it with iPhone any more.Unpair a Bluetooth device: Go to Settings > Bluetooth and turn on Bluetooth. Tap