Connect your Jabra device to a computer. · In the Updates section on the product support page, select the firmware language and download the file. · Open the file ...
They are sold with the firmware and language for the country they are selling to. You have to change the firmware to your country. Easy to do with a computer.
To change the language of your device, you must upgrade the firmware with the ... How do I manually turn off/on voice guidance on my Jabra Extreme2?How do ...
How do I reset my Jabra Extreme2?How do I pair my Jabra Extreme2 with my mobile device?How do I update the firmware or change the language on my Jabra ...
If your phone is connected via Bluetooth to the Jabra, I cant see why not. It would be a case of try and see otherwise contact the suppliers and ask them.