"Hey Siri" support and possibly wireless charging case alongside AirPower charging mat.
Apple May Add 'Jet White' Color Option for iPhone 7 and iPhone 7 Plus
Mac Otakara has accurately leaked information about Apple's upcoming plans in the past, including the new Jet Black color and no 3.5mm headphone jack on iPhone 7. It was also correct about several other iPhone 7 details, including its naming, flush Home button, longer earpiece cutout, and lack of Smart Connector.
Nevertheless, the blog has been wrong on occasion, such as when it said the iPhone SE may come in a brighter pink shade that's different than Rose Gold. Moreover, given the lack of confidence in its own source, this rumor may not materialize and should be treated with a proverbial grain of salt.