For Xiaomi Smart Ring Men Women Heart Rate and Blood Oxygen Monitor Smartring IP68 & 5ATM Waterproof, Multi-sport Mode

It's a great honor for you to visit my store. Good luck with your favorite purchasesMaterial : Aluminium Electric : Y Hign-concerned Chemical : None Compatibility : All Compatible Application Age Group : Adult Function : Passometer,fitness tracker,sleep tracker Type : Wrist Strap Brand Name : luxuglow Origin : Mainland China