《Terahertz Bracelet》 Terahertz 14mm Inner diameter: Approximately 17.3cm ※ It looks black, but it's silver in color ☆ 【Terahertz】 Terahertz waves are expected to have a wide range of effects on improving health, such as cell activation, promotion of metabolism, repair and regeneration of tissues, improved immunity, improved blood circulation, improvement of coldness and swelling, recovery from fatigue, and improvement of skin luster and firmness. ◆Caution ◎ Although it is brand new, it has been taken out of the bag once for photography, so please refrain from purchasing if you are looking for perfection or are concerned about minor details. Terahertz Health