b.ring Smart Ring b.ring (b.ring) Titanium Matt Silver 10 size Health & Sleep Management B104TNSVRNG Includes USB charging cable. - Brand: b.ring - Model Name: Titanium - Accessories: USB charging cable, instruction manual - Color: Silver - Size: 10 - Warranty and receipt (Bic Camera) Thank you for viewing. I tried it a few times to confirm its functionality, but unfortunately, it couldn't link with the necessary app for my insurance company, so I am selling it. Please understand that this is stored by a private individual.