AFK YK009 Digital Fingertip Pulse Oximeter

Oxygenated hemoglobin saturation, read SpO2 / BPM and blood oxygen result, accurate measurements within +/- 2%, multipurpose digital monitoring, suitable for all over 4 years old, 70-99% measuring range, 1% analysis, 70% to 99% ± 2% accuracy, 30 bpm – 250 bpm measuring range.