Wellue O2Ring Wearable Sleep Monitor - Bluetooth Tracker with Free APP & PC Report
Brand: Wellue

Note: This device is for Sports and Aviation use only.

COMFORTABLE SOFT RING SENSOR: The lightest, smallest ring sensor for overnight continuous monitoring, durable and adapt to most fingers.
APP & PC REPORT: Free APP & PC software provides graphic sleep report and trends of data, rewing real-time data in APP dashboard. Unlimited sharing of PDF and CSV reports.
ABNORMAL DATA MARKINGA: If the percentage is lower than the preset threshold and heart rate is lower or higher than the preset threshold, the device will tell you and mark it in the report.
UNLIMITED STORAGE IN APP: When the device is connected to the APP via Bluetooth, the data will be uploaded automatically. The built-in memory can store 4 groups of 10 hours of data on device.
RECHARGEABLE: The device runs automatically when you wear it, up to 16 hours for a full charge.