B.ring Titanium Smart Ring Matte Black Size 10

It was easy to use, but I haven't been using it recently, so I'm selling it.

Since it has been used, I believe there may be minor scratches.
Please only purchase if you understand that it is a used item.

Matte black smart ring compatible with Bluetooth 5.1, IP68 waterproof.

- Model Name: B.ring Titanium
- Color: Matte Black
- Bluetooth Version: Bluetooth 5.1
- Waterproof Rating: IP68
- Compatible OS: Android 6.0 or later, iOS 13 or later
- Size: US Size 10

Thank you for looking.