Introducció
The Wellue SleepU Oxygen Monitor is a portable wrist-worn device designed for continuous tracking of oxygen levels, pulse rate, and body movement. It is intended for sports and aviation use only and is not suitable for medical diagnosis or treatment of any medical condition. This manual provides essential information for the proper setup, operation, and maintenance of your device.

Image: The Wellue SleepU Oxygen Monitor, showing the wrist unit and the connected ring sensor.
Configuració
1. Càrrega del dispositiu
Before first use, fully charge the device. Connect the charging cable to the device and a USB power source (computer USB port or USB wall adapter). The device will automatically power off once fully charged. A full charge provides up to 16 hours of operation.

Image: The SleepU device connected to a USB power bank for charging.
2. Instal·lació de l'aplicació
Download the "Vihealth" application from the App Store (iOS) or Google Play Store (Android). This app is essential for viewing detailed reports and managing device settings.

Image: Multiple smartphone screens displaying the Vihealth app interface with oxygen level, pulse rate, and motion data.
3. Connexió Bluetooth
Ensure Bluetooth is enabled on your smartphone. The device will automatically attempt to establish a connection when the app is opened. Do not pair the device directly in your phone's Bluetooth settings. All connections are managed through the Vihealth app.
Instruccions de funcionament
1. Portar el dispositiu
Wear the main unit on your wrist like a watch. Insert your finger into the ring sensor. Ensure the sensor is snug but comfortable. The device will automatically power on when worn.

Image: A person sleeping, demonstrating how the SleepU monitor is worn on the wrist with the ring sensor on the finger.
2. Encès/apagat
- Encès: Wear the sensor, and the device will automatically turn on.
- Apagar: Remove the sensor, and the device will automatically turn off after a short period.
3. Registre de dades
The device continuously tracks your oxygen level, pulse rate, and body movement, collecting data every 4 seconds. This data is stored in the device's built-in memory.
4. Smart Reminder (Vibration)
The Vihealth app allows you to set a threshold for your oxygen readings. If your oxygen level drops below this set threshold, the SleepU device will vibrate intelligently to alert you. You can also adjust the vibration intensity within the app.

Image: A couple sleeping, with one person wearing the SleepU monitor, highlighting the smart vibration feature.
5. Mostra informació
During measurement, the device screen will go off automatically to conserve power. You can turn the screen on by shaking your wrist to view current readings such as SpO2 percentage i freqüència del pols.
6. Data Synchronization and Reports
After completing a recording session, open the Vihealth app on your smartphone. The device will automatically sync data to the app. The app provides graphic detailed reports that are easy to share and print. PC software is also available for more detailed analysis and report generation.

Image: The SleepU device alongside a smartphone displaying real-time data and a laptop showing a comprehensive report.

Image: A close-up of a printed report generated from the SleepU data, showing oxygen levels and pulse rates over time.
Manteniment
1. Neteja
Netegeu el dispositiu amb un drap suau dampened with water or alcohol. Do not immerse the device in water or use abrasive cleaners.
2. Cura de la bateria
To prolong battery life, avoid fully discharging the device frequently. Recharge the device when the battery indicator is low. Store the device in a cool, dry place when not in use for extended periods.
Resolució de problemes
| Problema | Causa possible | Solució |
|---|---|---|
| El dispositiu no s’encén. | Low battery; Not worn correctly. | Charge the device; Ensure the sensor is properly worn on the finger. |
| No data in app after sync. | Bluetooth not connected; App not open during sync. | Ensure Bluetooth is on and the Vihealth app is open and connected to the device. |
| Lectures inexactes. | Sensor not properly placed; Excessive movement; Cold fingers. | Adjust sensor position; Remain still during measurement; Warm hands if cold. |
| Device disconnects frequently. | Out of Bluetooth range; Interference. | Keep the device close to the smartphone; Avoid strong electromagnetic interference. |
Especificacions
| Característica | Detall |
|---|---|
| Marca | Wellue |
| Model | SleepU |
| Dispositius compatibles | Telèfons intel·ligents (iOS 9+, Android 5.0+) |
| Tipus de bateria | Polímer de liti recarregable |
| Durada de la bateria | Fins a 16 hores |
| Temps de càrrega | 2-3 hores |
| Oxygen Level Range | 70% - 99% |
| Interval de freqüència del pols | 30 - 250 pulsacions per minut |
| Emmagatzematge de dades | Up to 4 sessions / 10 hours of data |
| Protecció d'entrada | IP22 |
| Dimensions (unitat principal) | 43 x 27 x 14 mm |
| Pes (paquet) | 4.66 unces |
Garantia i Suport
Wellue provides a 12-month worry-free warranty for this product. For technical assistance or customer service, please contact Wellue support. Lifetime technical support is available, with a commitment to fast response within 24 hours.
Nota: This device is for Sports and Aviation use only and not intended for medical use.