Cuifati Smart Ring - Size 9

Specification: Item Type: Smart Ring Material: Stainless Steel Ring Battery Capacity: 16mAh Li Battery (Shipped with Built in Battery) Charging Case Battery Type: Li Battery (Shipped with Built in Battery) Charging Case Battery Capacity: 300mAh How to Use: Download the app first, then connect to the ring, it will automatically turn on when fully charged. Package List: 1 x Ring 1 x Instruction Manual 1 x Ring Charging Cable 1 x Charging Case Charging Cable 1 x Charging Case