W-king D9 Firmware Update =link= Here

The speaker should now appear as a new USB device on your PC. The LEDs may blink or stay off – this is normal.

Newer W-KING models are designed to be managed via the , which allows you to upgrade firmware and adjust EQ settings wirelessly. w-king d9 firmware update

Here’s a helpful post for someone looking to update the portable Bluetooth speaker firmware. The speaker should now appear as a new USB device on your PC