Plug the small end of the USB cable into the micro-USB connector on the right earcup.
Charging the headphones
Plug the other end into a USB wall charger or computer that is powered on.
While charging, the battery indicator blinks amber.
When the battery is fully charged, the battery indicator glows green. A full charge powers the headphones for up to 20 hours when connected wirelessly and 40 hours when connected with an audio cable.