Just A Car Guy: Motorola Vibrasonic, something I don't think I've ever seen, or heard of. They seem to have been used to give a more interesting sound effect to a radio,
Moto Audio Effects - Apps on Google Play
Motorola Talkabout Radio - Turn Off Roger Beep Sound [Video] - AnsonAlex.com
Your Choice HiFi Sound Effect Earphone For Motorola Moto G4 Plus : Amazon.in: Electronics
Huawei Music is offering 3-months of free trial for new subscribers in Europe
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How to Manage Camera Shutter Sound in MOTOROLA Edge 20 – Camera Sound Effect - YouTube