There might be situation were reseting your Cue Band device might solve any issue you currently are having.
To reset the Cue Band device do the following steps:
1) If the device screen is off, press the physical button on the left side of the device once to turn the screen on.
2) Press and hold the same button until the screen blinks and you see an inverted pinecone, releasing the button immediately. (While holding the button, a menu with text and a bar code might appear, ignore that a keep holding the button)