Communicate into the microphone and listen for sound coming from the speakers. Adjust volume levels as needed till you’re glad with how all the things sounds. That’s not just other Hyperboom speakers either, but a range of different alternatives within the UE range. If it works with the application, https://www.bluetoothspeaker.top/magnetic-fluid-bluetooth-speaker-round-floating-slow-falling-magnetic-fluid-speaker-dedicated/