Thank you for viewing. This is a bracelet from Nihon Germanium Research Institute Co., Ltd. It comes in a box with an explanation. A warranty card from Maruei Co., Ltd., Golf & Sports section, purchased on H19.1/16 is included. Like a watch bracelet, the size can be adjusted with pins. Size: Length: Approximately 19cm Width: Approximately 8mm Weight: Approximately 37.5g T06981 How to use: Wear on either wrist. Unisex. This is a used item, so there are scratches, and some germanium stones are broken. However, it can still be used if you remove the damaged parts. Thank you for your understanding. Color: Silver Accessories: Box F