Smart Ring For Heart Rate Blood Oxygen Sleep Tracking Video Swiping And Health MonitoringBluetooth-enabled Smart Ring

Product information:
Colors: Black Gold size 6# (inner diameter 16.7 mm), Black Gold size 7# (inner diameter 17.6 mm), Black Gold size 8# (inner diameter 18.6 mm), Black Gold size 9# (inner diameter 19.3 mm), Black Gold size 10# (inner diameter 20.3 mm), Black Gold size 11# (inner diameter 21.0 mm), Black Gold size 12# (inner diameter 22.0 mm); Silver White size 6# (inner diameter 16.7 mm), Silver White size 7# (inner diameter 17.6 mm), Silver White size 8# (inner diameter 18.6 mm), Silver White size 9# (inner diameter 19.3 mm), Silver White size 10# (inner diameter 20.3 mm), Silver White size 11# (inner diameter 21.0 mm), Silver White size 12# (inner diameter 22.0 mm).
Target Audience: Adults
Battery Capacity: 13 mAh–15 mAh
Wearing Method: Finger wear
Package Contents: Ring * Charging cable * Manual