Blood Oxygen Finger Pulse Digital Fingert Oxygen Saturation Meter Finger Monitor Portable Oximetro (No Battery)-B

Fingert pulse 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-on 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 f when reaching alarm value. Mini 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. Specifications: Color: White & Blue/ Black (Optional) Material: ABS Display Type: OLED Display SpO2 Measuring Range: 35%-100% (1% Resolution) SpO2 Accuracy: ±2% on the stage of 71%-100%, meaningle on the stage of 0%-70% PR Measuring Range: 30BPM-250BPM (1BPM Resolution) Alarm Function: Numbers F, Default Value (SpO2