It seems that Motorola is working on a more powerful, more compact version of its current flagship, the Moto X Style. Codenamed Motorola Bounce, the new phone is reportedly set for a December unveiling. It will have a 5.43" QHD screen (X Style is 5.7" QHD, X Play is 5.5" 1080p). It will also be powered by a Snapdragon 810 chipset (Style and Play are 808 and 615 respectively) that will be paired to 3GB of RAM and 32GB or 64GB of built-in storage. The Motorola Bounce will allegedly come with Moto's 21MP camera (presumably with 2160p video) and a 5MP selfie camera. The whole thing is powered by a bigger battery, 3,760mAh (that's 760mAh more than the X Style). A "shatterproof" label suggests a MIL-STD rating (IP ratings only measure dust and water...
Source: http://www.gsmarena.com/motorola_bounce_a_543inch_flagship_with_qhd_screen_s810_chipset-news-13766.php