 One example includes holding up the iPhone to take a photo, with VoiceOver describing the photo scenery.As part of a "Made for iPhone" program, introduced with the release of iOS 7 in 2013, Apple has developed technology to use Bluetooth and a special technology protocol to let compatible third-party equipment connect with iPhones and iPads for streaming audio directly to a user's ears.Additional customization available for Made for iPhone products include battery tracking and adjustable sound settings for different environments.