Magnetic Necklace Crest SMART Black X [Colantotte] (S Size, Approx. 43cm, Black)

Suitable sizes: S (43cm), M (47cm), L (50cm) Colors: Hogushiya Limited Black x Black, Premium Silver, Premium Black Material: [Body] Silicone [Joint part] Stainless steel (SUS316L) Magnets: 8 rare earth permanent magnets, 160mT (1600G), arranged in alternating N and S poles Medical device certification number: 226AGBZX00054000 Improves blood circulation in the neck and shoulders, and relieves stiffness in the neck and shoulders. The metal parts are made of high-grade SUS316F stainless steel, which is durable and rust-resistant. The fasteners are magnetic for easy removal. Simple and versatile, these fashion and body care products are perfect for any occasion. The popular limited-edition black x black color option has been added to the color range, making them even easier to use daily. The new necklace crest features a more compact top joint and a slim φ4mm loop! The product weight has been reduced by approximately 48%, resulting in a lighter and more comfortable feel. It uses 8 magnets with a magnetic force of 160mT. The increased magnetic strength compared to conventional silicone necklaces is expected to provide greater effectiveness. The joint is located at the front, making it very easy to put on and take off. Made with Colantotte's signature corrosion-resistant stainless steel, it is less prone to rusting.