Pulse Oximeter Rechargeable Blood Oxygen Meter Finger Pulse Ooximeter with Respiratory Respiration Rate Monitor Oximetry for Sports Aviation Use Only (Pink)

Q: Any precautions for use A: 1. When testing is needed, it is necessary to sit down, keep the body stationary, take a deep breath, and then conduct the test; 2. Keep fingers clean and nails should not be too long； 3. Avoid excessive sweat. Consult or purchase products in the store, such as unknown or questions, please contact the store customer service. Our customer service will answer and serve you in time, thank you for coming to our store.