Chinese multinational electronics company, TCL on Thursday reportedly announced the release date for Blackberry's upcoming flagship KEYone. Codenamed Mercury, KEYone features a 35-key backlit keyboard including a capacitive touch for swiping gestures. According to reports, KEYone will be up for pre-orders in Canada on May 18 whereas the launch is scheduled for May 31. The report also suggests that KEYone will be launched for $549 USD.