1 PCS Portable Fingertip Pulse Oximeter

Display mode: 1.1 inch color oled screen display2. display resolution: 96*643. pulse rate measurement range: 30bpm ~ 250bpm (resolution is 1bpm)4. accuracy: ±2bpm or ±2% for large values5. error under weak perfusion: when the pulse filling degree is 0.4%, theoximeter can correctly display the blood oxygen saturation and pulse ratevalues, the blood oxygen saturation error is ±4%; the pulse rate error is ±2bpmor ± 2% takes a large value.6. resistance to ambient light interference: