1) Check the battery level on the Bluetooth bar (or in Bluetooth settings) when the device is connected.

2) Battery level can also be checked on the Home screen of the Noise Audio app. Note - The battery level can vary slightly depending on the usage.

3) In case of major inconsistencies in the battery percentage, please once 'Reset' the device and reconnect.

Note, if the device volume is 100% then the battery consumption will be higher