Troubleshooting : The speaker does not turn on

Short answer

Plug the speaker into a USB power source to charge it. The 10-segment battery indicator shows the battery charge. A rising animation indicates that the battery is charging.

Charge the speaker

Use the included USB-C cable to connect the speaker to a USB power source (15–27 W).
The USB-C power input port is located on the back of the speaker.
The 10-segment battery indicator shows the battery charge. A rising animation indicates that the battery is charging.

Resetting the speaker

A factory reset will reset the speaker to its original settings, excluding any firmware updates. Note: This will delete all user settings and the speaker will need to be set up again.

Remove Kilburn III, and Kilburn III [LE] if present, from your sound device’s Bluetooth list.
Pull the power switch towards the front to turn the on.
Push and hold both the M-button and the Bluetooth button until the Bluetooth indicator turns quickly red, and the speaker restarts.
The speaker has returned to its factory settings and is ready to be paired.