ParentFull threadtmm·I got two from Amazon recently and they both work out of the box with Linux. I suspect any you can find will work. They’re standard HID devices which send multimedia key codes like KEY_VOLUMEUP and KEY_VOLUMEDOWNhttps://www.amazon.com/d/B0BKG11XBQhttps://www.amazon.com/d/B0B5ZXZWS5View on HN