1. Stick one finger completely into the measuring parts of the device.

2. Keep the fingernail surface upward.

3. Release the clip slowly.

4. Press the power button to turn on the device.

All orders will be shipped within 48 hours of order confirmation. You will receive an email with your tracking number once your order has been shipped.

Standard shipping takes 5-12 working days depending on your location. We work with reliable shipping partners to ensure your order arrives safely and securely. Please note that delivery times may vary slightly during peak seasons or due to weather conditions, but we always strive to get your order to you as quickly as possible so you can start experiencing relief.

We offer a 30-day return policy. If you are not satisfied with your purchase, you can return it within 30 days from the receipt date of the order.

1. Display mode: LED display

2. Blood oxygen saturation: Measuring range from 70% ~ 99%

   Measurement accuracy: ± 2% within 70% ~ 99%, below 70% accuracy is not defined

3. Pulse rate: Measuring range from 30BPM ~ 240BPM

   Measurement accuracy: ± 1BPM or 1% of the measured value

4. Battery Model: 2 AAA 1.5V alkaline batteries (not included)

5. Automatic shutdown: When no finger is inserted, it will shut down automatically after 8 seconds