Pulse rate range 30 to 250 bpm
Ring size 50-82mm
Power Source Usb Recharge
Color Black
Built-in memory 4 sections, up to 10 hours each section
Brand Schbit
Type Bluetooth Wearable Sleep Oximeter
Accuracy 70%~99% Oxygen Level Testing
Display Type OLED
Pulse rate accuracy ±2 bpm or ±2%
Labels & Certifications ISO13485 CE
Power Supply Mode Built-in Battery
Connectivity Bluetooth
Features OLED Colorful Display
Application Sleep Monitor
Country of Origin China

Check the listing for details. Bluetooth Blood Oxygen Meter Nightly Continuous Monitoring Output Data Report. Color: Black, Condition: New, Made in China. Listed at 120.91 USD. Intuitive Report Reveals Health Insights. The oldest will be overwritten by the 5th. Via free Windows PC/Mac App. Export, print or share the PDF/CSV format overnight O2 reports unlimitedly. Work stand-alone, even without smartphone.

$60.46
$120.91