Magnetic Power Rings... The power of magnets has long been recorded as a natural healing technique in many different civilizations throughout history. Harness the power with our collection of soft, stretchy, and durable TPR erection enhancers with Nickel-Free magnets. Soft, stretchy, durable enhancer provides support, stamina, and stimulation. Harness the power of the magnet with this super soft and stretchy couple's enhancer. Comfortable support for him, and powerful vibrations for her. Auxiliary ring for added testicular support. Removable and reusable 3-speed push button stimulator. 3 strategically placed magnets. TPR (enhancer) Nickel-free magnets (magnets) ABS with Silver Plating (stimulator). Batteries included (3 watch, 6 included). .75"/ 2 cm (diameter penis ring). 1.25"/ 3 cm (diameter scrotum ring). 3.75"x 1.75"/ 10 cm x 4 cm (overall). 2.25"x .75"/ 6 cm x 2 cm (stimulator).