1. Introduzione
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. Informazioni e avvertenze sulla sicurezza
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.
- Tenere il dispositivo fuori dalla portata dei bambini e degli animali domestici.
- Non immergere il dispositivo in acqua o altri liquidi.
- Utilizzare solo il cavo di ricarica e gli accessori forniti.
- Se si verifica un'irritazione cutanea, interrompere l'uso e consultare un operatore sanitario.
- 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. Contenuto della confezione
Verificare che tutti gli articoli siano presenti nel pacco:
- Wellue Checkme O2 Ultra Pulse Oximeter
- Cavo di ricarica magnetico
- Manuale dell'utente (questo documento)
- 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. Dispositivo suview
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.

Immagine: dettagliata view of the Checkme O2 Ultra Pulse Oximeter and its ring sensor.
5. Impostazione
5.1 Ricarica del dispositivo
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. Cercare "Vihealth" in your device's app store and install it.
5.3 Pairing via Bluetooth
- Assicurati che il Bluetooth sia abilitato sul tuo 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. Utilizzo del dispositivo
6.1 Indossare il dispositivo
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 Comprensione delle letture
- SpO2: Livello di saturazione dell'ossigeno nel sangue, visualizzato come percentualetage.
- 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. Gestione dei dati
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. Manutenzione
8.1 Pulizia
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 Conservazione
Conservare il dispositivo in un luogo fresco e asciutto, al riparo dalla luce solare diretta e da temperature estreme. Conservarlo nella confezione originale o in una custodia protettiva quando non lo si utilizza.
9. Risoluzione Dei Problemi
If you encounter issues with your Checkme O2 Ultra, refer to the following common problems and solutions:
| Problema | Possibile causa | Soluzione |
|---|---|---|
| Il dispositivo non si accende. | Batteria scarica. | Charge the device fully using the magnetic charging cable. |
| Letture imprecise. | 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. Specifiche
- Modello: Checkme O2 Ultra
- Parametri di misurazione: SpO2, Pulse Rate
- Connettività: Bluetooth
- Archiviazione dati: 4 sets of 12-hour data
- Durata della batteria: Up to 10 nights on a single charge
- Tempo di ricarica: Circa 2 ore
- Potenza in ingresso: CC 5V
- Temperatura di esercizio: da 5°C a 40°C (da 41°F a 104°F)
- Umidità di esercizio: Dal 15% all'93% (senza condensa)
- ASIN: B0FPWNCLQ2
- Codice UPC: 6934440101031
11. Garanzia e supporto
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 websito o contattare il loro servizio clienti.