A short extension cable that acts identically to the built-in button on Apple's headphones, though it lacks the microphone. ($20)
The Belkin Headphone Adapter enables you to turn any pair of headphones, or other Stereo Audio Cable, into one that allows you to manage your iOS device in the same way you would with Apple's stock headphones. You have volume control buttons, as well as a middle click that allows you to;
- (1-click) play/pause,
- (2-clicks) skip forward, and
- (3-clicks) skip backwards with your media.
We use this in order to facilitate media playback in our car, which only has an 1/8" Stereo Line-In jack. We start whatever media we're going to listen to beforehand, then while in the car, we plug the cable in and start driving. Then, it is trivial to pause or skip songs when desired.