Overview: Fingertip pulse oximeter which adopts optical detection technology can measure your blood oxygen saturation and heart rate quickly. Mini size and lightweight, not only suitable for home use, but also suitable for travel use. Features: One-button operation, optical detection technology, quick measure SpO2 (blood oxygen saturation) and PR (pulse rate). Clamp your finger with the oximeter, press the operation button and SpO2/PR can be clearly displayed with high accuracy. OLED clear display, 2 directions can be adjusted for conveniently reading. Auto shut down in about 5 seconds, energy-saving and eco-friendly. Mini oximeter with lanyard, portable for home or travel use. Note: Nail surface upward when measuring. Specifications: Display Type: OLED Display SpO2 Measuring Range: 0%-100% (1% Resolution) SpO2 Accuracy: ±2% on the stage of 70%-100%, meaningless on the stage of 0%-69% PR Measuring Range: 30BPM-250BPM (1BPM Resolution) Battery: 2 * 1.5V AAA Battery (NOT included) Power
