R13 O2 Ring — Continuous SpO2 Monitor, 16 Hour Battery

Know Your Oxygen. Know Your Health.The Wellue O2Ring S is a medical-grade wearable ring oximeter designed for continuous blood oxygen (SpO2), pulse rate (PR), and perfusion index (PI) monitoring — all night long.

With a patented ring sensor, soft silicone body, OLED backlit display, and up to 16 hours of battery life, it's the most comfortable and capable overnight oxygen monitor available.

Works completely standalone — no smartphone required during use.SPO2 / PR / PI Detection — 1-Second Interval RecordingThe O2Ring continuously tracks three critical vitals at 1-second intervals, providing the most granular data possible for sleep, respiratory, and cardiovascular monitoring.

Blood Oxygen (SpO2): Continuous real-time monitoring throughout the night

Pulse Rate (PR): Accurate heart rate tracking at all times

Perfusion Index (PI): Signal strength quality indicator for reliable readings

1-second recording interval for maximum data resolution Patented ring sensor technology for precision accuracy Works Stand-Alone — No Smartphone NeededUse the O2Ring independently without your phone nearby. The built-in memory stores up to 4 sessions of up to 10 hours each — then sync to the app when ready. Fully standalone operation — no phone needed during use Built-in memory stores 4 sessions × up to 10 hours each Note: The oldest session is overwritten by the 5th. Sync data to your phone regularly. 16-Hour Battery LifeA single charge delivers up to 16 hours of continuous monitoring — more than enough for a full night's sleep plus extra. USB charging port built directly into the device. Up to 16 hours continuous monitoring per charge USB charging port Rechargeable — no disposable batteries VIHEALTH App — Professional Health DashboardSync your data to the VIHEALTH companion app for rich health insights, trend analysis, and shareable reports.

Real-time Detection: Live SpO2 and pulse rate monitoring via app

Graphic Reports: Visual oxygen level, pulse rate, and body movement charts

History & Trends: Weekly, monthly, and yearly oxygen level history

Multi User Management: Monitor multiple family members from one account

Shareable PDF/CSV: Export and share reports with healthcare providers

Vibration Alerts: Instant vibration when readings drop below your set threshold

Adjustable Threshold: Customize low SpO2 and pulse rate alert levels

Reminder: Built-in notification reminders Compatible with iOS & Android Smart Design — Built for All-Night ComfortEngineered for extended wear with a smooth, ergonomic silicone body that stays comfortable through every sleeping position. Soft silicone body — gentle on skin for all-night wear OLED backlit screen — easy to read in the dark Adjustable screen brightness Touch switch for easy one-finger operation Auto on/off for effortless use Wireless Bluetooth connection to companion app Patented ring sensor design by Wellue (Original Factory) Key Specifications

Specification Details

Measurements SpO2, Pulse Rate (PR), Perfusion Index (PI)

Recording Interval 1 second

Battery Life Up to 16 hours continuous

Storage 4 sessions × up to 10 hours each

Display OLED backlit screen, adjustable brightness

Controls Touch switch, auto on/off

Connectivity Wireless Bluetooth

Charging USB charging port, rechargeable

Body Material Soft silicone

Companion App VIHEALTH — iOS & Android

App Features Real-time detection, graphic reports, PDF/CSV export, multi-user, vibration alerts, adjustable threshold

Brand Wellue (Original Factory)