Improves the blood circulation of the neck and relieves stiffness. It can be attached to a mobile phone or ID card. Magnetic capsules are free to move to the point you like.
Size: Free size (about 80 cm) Material: (Main body) Polyester nylon rayon cotton (fastener · magnetic capsule) PP resin (carabiner) Aluminum (strap) urethane (adjusting parts) elastomer resin Magnet: 8 ferrite permanent magnets 100 mT (1000 G) are alternately arranged in N poles and S poles
