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For the tinkerers, researchers, and biohackers out there! This is a compact, adjustable frequency wave generator. It lets you output specific frequencies from a super low 0.1Hz all the way up to 99999Hz, with a default setting of 7.83Hz (the Schumann resonance, if you're into that). It's built with a gold-plated connection point and housed in durable ABS plastic. It runs on 5V power via the included USB-C cable and has a 3.5mm output jack to connect to speakers or other equipment. The output deviation is very low (≤1%), so it's relatively precise for its price point. People use these for all sorts of experiments: sound therapy, brainwave entrainment, testing electronic equipment, or just exploring the effects of different frequencies. It's a plug-and-play device - no complicated software needed. Just connect power, maybe hook it up to a speaker, and dial in your frequency. A fascinating tool for hobbyists and curious minds. Note: The unit comes without an outer shell, so handle with care.
4.3 out of 5