How to know when the Jabra Tour Battery is fully charged?
There is a simple way to check the battery level of the device. Simply press the Voice Command button for 2 seconds and then say Battery. After this process, the device will tell you the battery level. This is the only possible way. To find additional information about this, download the PDF guide.
PDF guide: http://static1.jabra.com/~/media/Product%20Documentation/Jabra%20TOUR/User%20Manuals/RevB/Jabra%20TOUR_RevB_web_manual_EN.pdf