If you have acquired this elusive device, follow this guide to avoid the common pitfalls:
: The audio is the primary focus. It isn't music or dialogue, but a "layered" frequency. Listeners describe a mix of low-end thumping (resembling a heartbeat) and high-pitched screeching that supposedly induces physical discomfort, headaches, or intense paranoia. lupus lp023 the noisemkv