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. Safety Information and Warnings
Please read all safety information carefully before using the device. Failure to follow these instructions may result in inaccurate readings or device damage.
- 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.
- Keep the device out of reach of children and pets.
- Do not immerse the device in water or other liquids.
- Use only the provided charging cable and accessories.
- If skin irritation occurs, discontinue use and consult a healthcare professional.
- 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. Package Contents
Verify that all items are present in the package:
- Wellue Checkme O2 Ultra Pulse Oximeter
- Magnetic Charging Cable
- User Manual (this 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. Device Overview
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: Detailed view of the Checkme O2 Ultra Pulse Oximeter and its ring sensor.
5. Setup
5.1 Charging the Device
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. Search for "Vihealth" in your device's app store and install it.
5.3 Pairing via Bluetooth
- Ensure Bluetooth is enabled on your 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. Operating the Device
6.1 Wearing the Device
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 Understanding Readings
- 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. Data Management
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. Maintenance
8.1 Cleaning
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 Storage
Store the device in a cool, dry place away from direct sunlight and extreme temperatures. Keep it in its original packaging or a protective case when not in use.
9. Troubleshooting
If you encounter issues with your Checkme O2 Ultra, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Device does not power on. | Low battery. | Charge the device fully using the magnetic charging cable. |
| Inaccurate readings. | 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. |
| Cannot connect to Vihealth app. | 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. Specifications
- Model: Checkme O2 Ultra
- Measurement Parameters: SpO2, Pulse Rate
- Connectivity: Bluetooth
- Data Storage: 4 sets of 12-hour data
- Battery Life: Up to 10 nights on a single charge
- Charging Time: Approximately 2 hours
- Power Input: DC 5V
- Operating Temperature: 5°C to 40°C (41°F to 104°F)
- Operating Humidity: 15% to 93% (non-condensing)
- ASIN: B0FPWNCLQ2
- UPC: 6934440101031
11. Warranty and Support
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 or contact their customer service department.
