You will not be able to connect Dolby Dimension to the mobile application when the headphone is in sleep mode.  To connect the Dolby Dimension to the mobile application, pressed the power/sleep button to wake the unit.


You will not be able to connect to Dolby Dimension to the mobile application when the Dolby Dimension is powered off (user has pressed and held the power button for 3 seconds) or when the headphone is charging on the Power Base.