boinkaroo@reddit Can we test the script? Or if you want we can test the extension as well, Just do not run script and extension at same time WH-1000XM3 config is already available. https://github.com/maniacx/test-bluetooth-battery-meter/blob/db379664f4087630492df3d6efa0ee289df5a48f/sonyConfig.js#L207