OMI PEMF ring Pulsed Electromagnetic Field Therapy Device Annular shaped PEMF device with such ergonomically design for professional and home use. Magnetic Field effect is 210 microT. Waveform is Sinus. Oxford Medical Instruments PEMF ring comes with a 3-year warranty and lifetime product support. Directly from the manufacturer OMI PEMF devices have been on the market for over 10 years Easy to use, no training required Ergonomic design. Pull the PEMF ring over the head down to the neck or slip a limb through it The PEMF ring comes with an operation unit and is powered by DC power supply. The device works in the frequency range from 1 to 99 Hz and it has three different programs. The diameter is 11 inch (28cm). *P1: frequency gradually increases from 3 Hz to 38 Hz and then drops back **P2: frequency continually and randomly changes between 1-99 Hz ***P3: you can decide on the level of frequency yourself π Learn More What is PEMF? Pulsed Electromagnetic Field Therapy in Puerto Rico Static Magnetic Field vs. Pulsed Magnetic Field Fibromyalgia & PEMF Therapy πΉ OMI PEMF & Beyond Units A trusted range of PEMF mats and accessories for everyday wellness. Reliable, easy to use, and accessible for individuals and families. As a spokeswoman for OMI PEMF & Beyond units, which I personally use and recommend. Please order through them: Oxford Medicals. We also have some units at the store.