Summing up all the leaked information about Xiaomi's upcoming smartphone. There's going to be two variant's i.e Mi 5s and Mi 5s Plus. Xiaomi Might be launching them to compete with Apple iPhone 7 and 7 Plus, Though still they can't.
The Leaked image of Xiaomi Mi 5s/Plus shows the new the ultrasonic fingerprint scanner (Might be the copy of Apple's new Fingerprint sensor), The back has dual camera setup (Turn camera position 90 degrees and it will look exactly like iPhone 7 Plus).
There's no info regarding the Screen size. Both The Smartphone will be powered with Snapdragon 821. The Mi 5s will ship with 6GB of RAM and 64GB of internal storage, while the Mi 5s Plus is said to come with 6GB of RAM and 256GB of storage.
We don't know whether Xiaomi will include a 3.5mm headphone jack or not (iPhone 7 doesn't have, so probably "no").