Colantotte Magnetic Necklace Wackle Neck Neo GE Limited Gift Set M Size (Black, (approx. 45cm))

---------------------------------------------------------------------- Size: M size: approx. 45cm approx. 11g / L size: approx. 51cm approx. 12g Quality/Materials: Silicon, POM, ABS, TG rare metals (pure titanium + germanium), 4 rare earth permanent magnets 140mT millitesla (1400 gauss) arranged in an alternating arrangement Medical device certification number: 228AGBZX00114A01 A magnetic necklace jointly developed by Colantotte and Hogushiya LABO. Light and comfortable to wear, it is also recommended as your first magnetic necklace.