... .OEM service 4.many colors:red,yellow,orange,white,black 5.CE,SGS report Anion Wrist-watchMaterial : Germanium , Anion , TitaniumColour : according ... , improve cervical spondylosis caused by cerebral ischemia 5. Alleviate or eliminate Hyperosteogeny 6. Omni-directional cervical and adjust the function of surrounding tissue ...