Smart Sleep And Heart Rate Monitoring Step Tracking And Waterprooffinger Ring

Product information:
Colors: No. 7 Abalone Shell, No. 8 Abalone Shell, No. 9 Abalone Shell, No. 10 Abalone Shell, No. 11 Abalone Shell, No. 12 Abalone Shell, No. 13 Abalone Shell, White Round Case, Black Small Square Case, No. 7 Gold Foil Blue, No. 8 Gold Foil Blue, No. 9 Gold Foil Blue, No. 10 Gold Foil Blue, No. 11 Gold Foil Blue, No. 12 Gold Foil Blue, No. 13 Gold Foil Blue
Suitable for: Unisex
Battery Capacity: 18 mAh
Wearing Method: Worn on the finger