You may need to clear paired history of Audikast Plus if it is not working as expected, such as audio cut in and out, short range, not pairing...
Clear Paired History of the Audikast Plus:
Press and hold both + and – simultaneously for 7 seconds. BOTH of the indicators will light up BLUE and RED (looks like PINK) for 5 seconds, indicating that the history has been cleared.
It will enter pairing mode automatically, close to A flashes RED and BLUE alternately.