OneDevice

Fort Lauderdale, United States

OneDevice is a wearable frequency device sold by One Technologies, designed to be worn as a pendant or under clothing. It emits sound together with infrared and visible light at ten Solfeggio frequencies from 174 Hz to 963 Hz, and is marketed for sleep, focus, calm, energy and recovery routines. The device has no Bluetooth, Wi-Fi or other wireless connection; its copper casing is plated in precious metals and holds shungite and clear quartz. It is assembled in the United States and comes in four finishes with identical technology. The company names Olga Bogataia and Dmitri Leonov as co-founders and states that the product is not a medical device.