1. Introduction
The Wellue Checkme O2 Ultra Pulse Oximeter is a wearable device designed for continuous monitoring of blood oxygen saturation (SpO2) and pulse rate (PR). It provides accurate, real-time data to help users track their physiological parameters. This manual provides essential information for the safe and effective use of the device.

Image: The Checkme O2 Ultra Pulse Oximeter in use, highlighting its key features.
2. Informations de sécurité et avertissements
Veuillez lire attentivement toutes les consignes de sécurité avant d'utiliser l'appareil. Le non-respect de ces instructions peut entraîner des mesures inexactes ou endommager l'appareil.
- This device is intended for general wellness and sports use. It is not a medical device and should not be used for diagnosis, treatment, or prevention of any disease.
- Consult your physician before making any medical decisions based on the device's readings.
- Do not use the device in an MRI environment or in areas with high electromagnetic interference.
- Gardez l’appareil hors de portée des enfants et des animaux domestiques.
- Ne plongez pas l’appareil dans l’eau ou d’autres liquides.
- Utilisez uniquement le câble de charge et les accessoires fournis.
- En cas d'irritation cutanée, arrêtez l'utilisation et consultez un professionnel de la santé.
- The data cable for connecting to computer software "O2 Insight Pro" is not included in the standard packaging. If needed, this specific bundled product must be purchased. This data cable is distinct from the magnetic charging cable.
3. Contenu du colis
Vérifiez que tous les éléments sont présents dans le colis :
- Wellue Checkme O2 Ultra Pulse Oximeter
- Câble de charge magnétique
- Manuel de l'utilisateur (ce document)
- Note: The data cable for PC connection is sold separately as part of a bundled product.

Image: Product packaging for the Checkme O2 Ultra Pulse Oximeter.
4. Appareil terminéview
The Checkme O2 Ultra consists of a main unit with a display and a comfortable wristband. It features a patented ring sensor for accurate measurements.

Image : détaillée view of the Checkme O2 Ultra Pulse Oximeter and its ring sensor.
5. Installation
5.1 Chargement de l'appareil
Before first use, fully charge the device. Connect the magnetic charging cable to the device and a USB power source. A full charge typically takes approximately 2 hours and provides power for up to 10 nights of use.

Image: The Checkme O2 Ultra Pulse Oximeter connected to its magnetic charging cable.
5.2 Installing the Vihealth App
The Vihealth app is available for both iOS and Android devices. Rechercher "Vihealth" in your device's app store and install it.
5.3 Appairage via Bluetooth
- Assurez-vous que Bluetooth est activé sur votre smartphone.
- Open the Vihealth app.
- Follow the in-app instructions to search for and connect to your Checkme O2 Ultra device.
- Once connected, the app will display real-time data.

Image: The Checkme O2 Ultra Pulse Oximeter connected to the Vihealth app on a smartphone.
6. Utilisation de l'appareil
6.1 Port de l'appareil
Wear the device comfortably on your wrist, similar to a watch. Ensure the ring sensor is placed securely on your finger, typically the index finger, for accurate readings. Avoid wearing it too tightly or too loosely.
6.2 Starting and Stopping Measurement
The device automatically starts monitoring when worn correctly. Readings will appear on the device's display and can be viewed in the Vihealth app when connected.
To stop monitoring, remove the device from your finger and wrist. The device will automatically power off after a period of inactivity.
6.3 Comprendre les lectures
- SpO2 : Blood Oxygen Saturation level, displayed as a percentage.
- PR: Pulse Rate, displayed in beats per minute (bpm).
6.4 Smart Reminder Function
The device features smart reminders that activate when O2 levels or pulse rate fall below or exceed preset thresholds. These reminders can be audible or vibrating. Thresholds can be adjusted both on the device and within the Vihealth app.
7. Gestion des données
7.1 Syncing Data to Vihealth App
When the device is connected to the Vihealth app via Bluetooth, all recorded data will automatically sync. You can view real-time data, historical trends, and detailed reports within the app.
The device has built-in storage for up to 4 sets of 12-hour data, ensuring that readings are not lost even without a constant app connection.
7.2 Connecting to PC Software (O2 Insight Pro)
To connect the Checkme O2 Ultra to a computer for use with the "O2 Insight Pro" software, a specific data cable is required. This data cable is not included in the standard package and must be purchased separately as part of a bundled product. The magnetic charging cable is not suitable for data transfer.

Image: The specific data cable required for PC connection.

Image: The Checkme O2 Ultra Pulse Oximeter connected to a laptop running O2 Insight Pro software.
8. Entretien
8.1 Nettoyage
Clean the device regularly with a soft, dry cloth. If necessary, a slightly damp cloth with mild soap can be used, followed by drying. Do not use abrasive cleaners or immerse the device in water.
8.2 Stockage
Rangez l'appareil dans un endroit frais et sec, à l'abri de la lumière directe du soleil et des températures extrêmes. Conservez-le dans son emballage d'origine ou dans un étui de protection lorsqu'il n'est pas utilisé.
9. Dépannage
If you encounter issues with your Checkme O2 Ultra, refer to the following common problems and solutions:
| Problème | Cause possible | Solution |
|---|---|---|
| L'appareil ne s'allume pas. | Batterie faible. | Charge the device fully using the magnetic charging cable. |
| Lectures inexactes. | Improper placement of sensor; excessive movement; cold fingers. | Ensure the ring sensor is securely and correctly placed on the finger. Remain still during measurement. Warm hands if cold. |
| Impossible de se connecter à l'application Vihealth. | Bluetooth off; app not open; device not in pairing mode. | Ensure Bluetooth is enabled on your phone. Open the Vihealth app and follow pairing instructions. Restart both device and phone if necessary. |
| Cannot connect to O2 Insight Pro software. | Incorrect cable used; software not installed. | Ensure you are using the specific data cable for PC connection (not the magnetic charging cable). Install O2 Insight Pro software on your computer. |
10. Spécifications
- Modèle: Checkme O2 Ultra
- Paramètres de mesure : SpO2, Pulse Rate
- Connectivité : Bluetooth
- Stockage des données : 4 séries de données de 12 heures
- Autonomie de la batterie : Up to 10 nights on a single charge
- Temps de charge : Environ 2 heures
- Puissance d'entrée : 5 V CC
- Température de fonctionnement : 5°C à 40°C (41°F à 104°F)
- Humidité de fonctionnement : 15% à 93% (sans condensation)
- ASIN: B0FPWNCLQ2
- Code à barres : 6934440101031
11. Garantie et assistance
Wellue provides a limited warranty for the Checkme O2 Ultra Pulse Oximeter against defects in materials and workmanship under normal use. For specific warranty terms, conditions, and duration, please refer to the warranty card included with your product or contact Wellue customer support.
For technical support, troubleshooting assistance, or any inquiries regarding your device, please visit the official Wellue website ou contactez leur service client.





