New neon color from "CO & RUNNER"! Magnetic necklace that creates a recovery effect with magnetism and ores

CO & RUNNER" (https://co-runner.jp ), a magnetic necklace brand developed by Gunma Seimitsu Co., Ltd. has added fluorescent and luminescent functions to the existing four colors of BLACK, PINK, BLUE, and WHITE, and released a model in five vivid and trendy neon colors. The new models are available from April 2025 in five bright and trendy neon colors. With a design that combines functionality and fashion, the new models are suitable for a wide range of activities, from active scenes to casual styles.

Developed under the concept of "a product that supports and advances together with people who are working toward their goals," this magnetic necklace is expected to have a physical recovery effect. It aims to improve QOL (Quality of Life/Quality of Life) by supporting motivation during sports, post-workout care, and daily fatigue.

Neon color image

■The power of magnetism helps to tone the body. Shining style.

CO & RUNNER Magnetic Necklace is a permanent magnet magnetic therapy device for home use (controlled medical device) that is expected to improve stiffness and promote blood circulation in the area where it is worn. The inside of the necklace is filled with neodymium magnets (maximum magnetic flux density 200mT), the most powerful of all permanent magnets, to support daily performance.

■Comfortable to wear due to the use of platinum silicon

The loop material is made of platinum silicone, which is also used in hygiene and medical products. It has less odor and superior durability compared to ordinary silicone. It is gentle to the skin and comfortable to wear even for long periods of time.

■Includes rare natural ores

Rare ores mined only in the "Gozairi Mine" in Katashina Village, Gunma Prefecture, where Gunma Seimitsu Co. This special material adds value to the necklace.

Designed for both sports and everyday use, the new neon colors of the CO & RUNNER magnetic necklace will make you healthy and fashionable!

■A favorite of professional women's golfer Miki Saeki

The professional women's golfer Saeki, who is also an official CO & RUNNER advisor, is a fan of the pink color of the regular model and says that it helps her migraine headaches and stiff shoulders, and makes her body feel more comfortable. Miki also recommends the color, which is easy to wear as a fashion item, and the material is comfortable to wear.

Miki Saeki, athlete

CO & RUNNER product lineup (common to all models)

Product specs

Material: Platinum silicon, aluminum

Magnet ：Four neodymium magnets (maximum magnetic flux density 200mT) are contained within the loop

Size ：S(43cm) M(48cm) L(53cm)

Medical device certification number: 304AFBZX00053000

CO & RUNNER Magnetic Necklace

Regular model (BLACK/PINK/BLUE/WHITE) price 14,300 yen (tax included)

Normal color image

Neon model (BLUE/GREEN/ORRANGE/PINK/YELLOW) price 15,400 yen (tax included)

Neon BLUE

Neon GREEN

Neon ORANGE

Neon PINK

Neon YELLOW