BLU Dash Music 4.0 official Pictures. BLU Dash Music 4.0 is a Smartphone of blu. The BLU Dash Music 4.0 Android Smartphone. Announced Aug 2013. Features 4.0″ Display, MT6572 Chipset, 3.15 MP Primary Camera, 1500 MAh Battery, 4 GB Storage, 512 MB RAM. BLU Dash Music 4.0 price starts.