RingConn Gen 2 Smart Ring, matte black, US size 8. - Model Name: RingConn Gen 2 Smart Ring - Color: Matte Black - Size: US 8 - Accessories: Complete set Thank you for viewing. I purchased this in November and used it for about a month. I bought it on impulse, but I realized too late that I don't pay that much attention to my health. The instruction manual has a bend, but it was like that from new. I will not accept price negotiations. Please make sure to confirm the size yourself before purchasing. Returns are not accepted. If you have any questions, please feel free to ask. Thank you.