Stream content to an AirPlay-enabled device: Tap 
, then choose the device.
With AirPlay, you can stream music, photos, and video wirelessly to Apple TV and other AirPlay-enabled devices. The AirPlay controls appear when an AirPlay-enabled device is available on the same Wi-Fi network that iPhone is connected to. You can also mirror the contents of your iPhone screen on a TV.
Stream content to an AirPlay-enabled device: Tap , then choose the device.
Access the AirPlay and volume controls while using any app: When the screen is on, double-click the Home button 
and scroll to the left end of the multitasking bar.
Switch playback back to iPhone: Tap , then choose iPhone
Mirror the iPhone screen on a TV: Tap at the left end of the multitasking bar, choose an Apple TV, then tap Mirroring. A blue bar appears at the top of the iPhone screen when AirPlay mirroring is turned on. Everything on the iPhone screen appears on the TV.