Product Name: RingConn Smart Ring Gen 2 Product Model: RCA-01 Ring Battery Capacity: 12 mAh (#13.5 / (#7-6 mAh (#15 / (#11-8 mAh (#14-12#) Charging Case Battery Capacity: 5V / 500mAh Package Contents: RingConn Ring, Charging Case, Type-C Cable, User Manual Version 11 Bluetooth