Charging cannot be done.
- Make sure that the headset is set on the charging case securely.
- Check that you are using the micro-USB cable supplied.
- Check that the micro-USB cable is connected to the charging case and the computer firmly.
- Make sure that the USB AC adaptor is firmly connected to the AC outlet.
- Check that the computer is turned on.
- Check that the computer is not in standby, sleep or hibernation mode.
- When using Windows 8.1, update using Windows Update.