So you got the iPhone 6 but all of your accessories were made for the iPhone 4 - first world problem, yes, but a problem none the less! Solve it with iPhone 8-Pin to 30-Pin Converters.
This handy adaptor will easily slip onto the 30-pin portion of chargers, speakers, and other devices, allowing you to then attach your iPhone 6 which has an 8-pin port. It supports all charging, syncing, and audio functions.
Option available to purchase 2 iPhone6 converters!