Last week, Japanese blog Macotakara reported that Apple hosted its "Made For iPhone" (MFI) technology summit in Shenzen, China ( translated version ). The conference last week, including 2,000 accessory makers and OEMs, featured Apple's announcement of a new certification chip for MFI accessories and future support for AirPlay over Bluetooth 4.0. Only 2 percent of the MFI-licensed peripherals on the market use the Bluetooth version of the iPod Accessory Protocol , according to the story, which was introduced in iOS 5