Introduction
The WRINERY Fingertip Pulse Oximeter is a compact, portable device designed for non-invasive spot-checking of blood oxygen saturation (SpO2) and pulse rate. It features a high-definition OLED display for clear readings. This device is intended for sports and aviation use only, such as for mountain climbers, skiers, bikers, and aviators, to monitor their oxygen levels and pulse rate. It is not intended for medical use.
Product Features
- High-Definition OLED Display: Provides vivid and sharp display of reading data, visible even at night.
- Accurate & Reliable Measurement: Innovated to provide accurate and reliable measurement of blood oxygen level and pulse rate within 8 seconds. Optimal accuracy is achieved when the device is used in a stationary condition.
- Designed for Sports & Aviation Use: Ideal for individuals interested in measuring their SpO2 and pulse rate during activities like mountain climbing, skiing, or biking.
- Portable & Compact: Easy to carry and accommodates a wide range of finger sizes, suitable for ages 12 and above.
Included Components
Each package includes:
- 1 x WRINERY Branded Pulse Oximeter
- 1 x Protective Case
- 1 x Hook
- 1 x Lanyard
- 2 x AAA Batteries
- 1 x User Manual

Image showing the WRINERY Fingertip Pulse Oximeter along with its protective case, lanyard, hook, two AAA batteries, and user manual, all neatly packaged.
Setup
Battery Installation
The device requires two AAA batteries.
- Open the battery cover located on the back of the device.
- Insert the two AAA batteries into the battery compartment, ensuring correct polarity (+ and -) as indicated inside the compartment.
- Close the battery cover firmly until it clicks into place.

Diagram illustrating the correct insertion of two AAA batteries into the pulse oximeter's battery compartment, with clear indications of positive and negative terminals.
Video demonstrating the process of installing AAA batteries into the WRINERY Fingertip Pulse Oximeter, highlighting the correct polarity and secure closure of the battery cover.
Operating Instructions
- Power On: Press the operating button to turn on the device.
- Finger Placement: Insert one of your fingers (preferably the index or middle finger) into the rubber opening of the oximeter until it touches the end guide. Ensure your fingernail is facing upwards towards the display.
- Measurement: Keep your hand still. The device will automatically begin measuring your SpO2 and pulse rate. Readings will appear on the OLED display within approximately 8 seconds.
- Power Off: The device will automatically power off after 8 seconds of inactivity or when the finger is removed.

A close-up image of a finger inserted into the WRINERY Pulse Oximeter, with the device displaying SpO2 and pulse rate readings on its OLED screen.

An annotated image of the pulse oximeter's OLED display, pointing out the SpO2 value, Perfusion Index, Power Indicator, Pulse Rate, and Graph sections.
Video demonstrating the simple steps to use the WRINERY Pulse Oximeter, including finger insertion and reading interpretation.
Important Considerations & Usage Notes
- Stationary Use: For accurate readings, it is highly recommended to use the device in a stationary condition without motion.
- Low Perfusion: If your blood perfusion level is low, the oximeter might have difficulty registering an accurate reading. Warm your hands and fingers before taking measurements (e.g., by rubbing them together).
- Nail Polish & False Fingernails: Nail polish and false fingernails may cause false or inaccurate readings. It is advisable to remove them or use an alternative finger without polish.
- Intended Use: This device is intended for sports and aviation use only, not for medical diagnosis or treatment. Consult a medical professional for any health concerns.
Video showcasing the WRINERY Pulse Oximeter being used in various sports and aviation scenarios, emphasizing its portability and utility for active individuals.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Inaccurate Reading | Low blood perfusion, movement during measurement, nail polish/false nails. | Warm hands/fingers, remain still, remove nail polish/false nails. |
| Battery Cover Not Staying Closed | Original design for easy opening, or batteries not properly inserted. | Ensure both batteries are correctly inserted. If issue persists, contact customer support. |
Specifications
- Model Number: M170
- Dimensions: 2.36 x 1.57 x 1.38 inches
- Weight: 1.76 ounces
- Power Source: 2 x AAA batteries (included)
- Measurement Accuracy: +/-1%
- Measuring Range (SpO2): 70% - 100%
- Color: Rose gold-black
- Country of Origin: China
Warranty and Support
For any questions, concerns, or warranty claims, please refer to the contact information provided in the original product packaging or reach out to WRINERY customer support through the platform of purchase.





