Fingertip Pulse Oximeter with Lanyard and Storage Bag Blood Oxygen Saturation & Heart Rate Detection Quick Measure & Auto-off Alarm Function Portable SpO2 & PR Monitor for Home Travel

Features:
One-button operation, optical detection technology, quick measurement.
OLED clear display, 4 directions for conveniently reading.
Clearly displays blood oxygen and heart rate, high accuracy.
Auto shut down in about 8 seconds, energy-saving and eco-friendly.
Set alarm value youself, numbers displayed on the screen will flash when reaching alarm value.
Mini oximeter with lanyard and storage bag, portable for home or travel use.
Note:
1. Nail surface upward when measuring.
2. Color and size may be slightly different because of manual measurement and different lighting conditions. Thanks for understanding.