Features 1、HD color OLED screen, blood oxygen, pulse rate at a glance, measurement results more clear. 2、Compact and light weight, easy to carry, suitable for outdoor people. 3、It supports blood oxygen, pulse, bar chart, pulse waveform display. 4、Ultra-low power consumption, when no signal is generated, the fingertip oximeter will automatically shut down after 8 seconds to extend the battery life. 5、Built-in rechargeable lithium battery, type-C interface, can be used for more than 6 hours after full charge, with battery power indicator. 6、The inner finger contact part use silicone material, feels comfortable, environmental protection. 7、Made of high-quality ABS, durable, corrosion-resistant, not easy to damage. Specifications Condition: 100% Brand New Item Type: Finger Pulse Oximeter Material: ABS+Silicone Color: Blue, Orange(Optional) Size: Approx.61.88x26.3x33.1mm/2.44x1.04x1.3in Weight: Approx.59g/2.1oz Measurement Accuracy: Within the scope of 80%-99%: ±2% Within the scope of 70%-79%: ±3% Less than 70% are not required Resolution: Blood oxygen saturation ± 1% Pulse Rate: Measuring range: 30BPM ~ 240BPM Measurement Accuracy: ±1BPM or ±1% of measurement value (take a larger value) Power Consumption: Less than 30mA Battery: Rechargeable lithium battery (200mA) Package List 1 x Finger Pulse Oximeter 1 x Lanyard 1 x Data Cable 1 x English User Manual