What do the various audio tones mean?
| AUDIO TONE | HEADSET STATUS |
| Ring tone | Incoming call |
| Short tone | Phone network not available |
| High to low tone | End call |
| One short tone when pressing Volume button during a call | Volume at minimum or maximum |
| Low tone (repeated every 15 seconds) | Mute reminder |
| Low to high tone | Connection confirmation/voice activation |
| No audio indications; deteriorating quality | Out of range |
| Two tones repeated every minute | Low battery |
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