Function: Battery capacity: 23m - Ah APP system requirements: Android: 6.0 or above, i - OS: 11.0 or above Bluetooth version: 5.2 Charging time (hours): 1+0.5 Smart ring capacitance: 23 m - Ah Charging compartment capacity: 400 m - Ah Product volume: approximately 15cm * 15cm ...Function: Battery capacity: 23m - Ah APP system requirements: Android: 6.0 or above, i - OS: 11.0 or above Bluetooth version: 5.2 Charging time (hours): 1+0.5 Smart ring capacitance: 23 m - Ah Charging compartment capacity: 400 m - Ah Product volume: approximately 15cm * 15cm * 10cm Packaging: 1Pcs Ring - Function: Battery capacity: 23m - Ah APP system requirements: Android: 6.0 or above, i - OS: 11.0 or above Bluetooth version: 5.2 Charging time (hours): 1+0.5 Smart ring capacitance: 23 m - Ah Charging compartment capacity: 400 m - Ah Product volume: approximately 15cm * 15cm * 10cm Packaging: 1Pcs Ring |