Passive design, safe and harmless: It doesn't emit any electromagnetic waves, isn't magnetized, requires no power source, and operates solely based on physical principles. Portable and : Its immersion gold process resists oxidation and ensures permanent use (unless mechanically damaged). It can be placed in a pocket or wallet, or applied to clothing or skin. Fast pain relief: A natural alternative to painkillers, it's suitable for headaches, menstrual cramps, muscle soreness, and other conditions, typically working within minutes. Its 12 copper rails provide multi-frequency oscillation, matching the natural frequencies of human, animal, and plant cells and promoting cellular self-repair. Versatile: Suitable for use in a variety of settings, including home, office, car, and travel. It can also be used for pet health care.