Xiaomi's next grand unveiling is taking place on July 27. The company has informed the media about this conference that will be held at China National Convention Center in Beijing. You can see the invite in the image to the left, but it doesn't hold any clues as to what exactly will be introduced on that occasion. Thankfully however, Xiaomi's director of new media has revealed via his Weibo account that not one but two products will be made official on July 27. He didn't name either one, of course, but did give us some clues as to what they are. See, he 'redacted' their names, thus...
Source: http://www.gsmarena.com/xiaomi_schedules_july_27_event_redmi_note_4_and_a_laptop_likely_to_be_outed-news-19434.php