New Smart Ring 2024 Health Detection Heart Rate Blood Oxygen Sleep Recording Sports Tracker 5ATM IP68 Waterproof For Android IOS

Note:

Please confirm the specifications before purchasing: The product specification number is from US specification sheets # 8 to # 12. The product includes, 1 * Smart Ring 1 * Charging line

1 * User manual

Please ensure a duration of 2 hours for the first charge.

Wrap a line around the finger, mark it on the line, and confirm the size of the finger by measuring the length of the mark directly.