Ensure that the Watch Pro's case back is clean, dry, and free of debris before putting it on your wrist. Fit the monitoring unit snugly against your wrist.Do not stick protective film on the Watch Pro's case back, as this can interfere with the sensors and lead to inaccurate recording of or missing heart rate, blood oxygen, or sleep data. To ensure the accuracy of measurements, please wear the Watch Pro at least one or two fingers' distance from your wrist joint. Wear the strap loose enough for comfort, but tighten it for more accurate measurements during exercise. Tips: The Watch Pro is made with materials that are safe for your skin and health, so you can wear it without worry.However, if you experience any skin irritation while wearing it, stop wearing it and consult a doctor.
