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Could just be a bad cellular connection or maybe the unit , I work in a very active outdoor atmosphere . And I have not had an issue. Using over 6 months.
Sorry, there was a problem. Please try again later.Tell him to try and use these with just the bluetooth connection and just unplug the USB if he is using these with a PC. I too had some troubles with the USB link in my laptop but they work great with just a bluetooth connection.
Sorry, there was a problem. Please try again later.
