http://www.techradar.com/news/xbox-ones-most-advanced-controller-looks-like-its-in-for-serious-upgrades

Microsoft's Xbox Elite wireless controller may be getting a followup if a series of leaked images are indeed what they seem. 

The leaked photos, spotted by a Reddit user and originally posted by someone on Baidu, show sections of what appears to be an Xbox Elite controller, only it's not the same one Microsoft released a few years ago for the Xbox One and Windows.