Featuring 11 tracks, the much-anticipated new collection includes the hits 'Hello My Love' and 'My Blood'.
The Irish pop superstars' new album, 'Spectrum' is set for release on 15 November.
The original version of 'Dynamite' - co-written by Ed Sheeran and Steve Mac - was released earlier this month.
The follow-up to 'Better Man', the hotly-anticipated new track was co-written by Ed Sheeran and Steve Mac.
Described as "old skool Westlife", the new track follows the Irish superstars' comeback single 'Hello My Love', released in January.