When you long-press the button on the multi-function knob, your device’s voice assistant will wake up (if enabled). Eg. Siri on Apple or Google Assistant on Android. The microphone on the GO blu is located next to the charging LED on the bottom. No need to speak right into the microphone, it’s quite sensitive.
Did this article solve your problem?
If you’re still having problems, why not contact the iFi Support Centre. We’re available Monday to Friday.