Sell Portable Fingertip Pulse Oximeter OLED Pulse Oximeter Display LK87 best price

⭐⭐PRODUCT INTRODUCTION⭐⭐ 1. High efficiency, intelligent dimming, more accurate measurement. 2. Silicone finger print, comfortable to wear. 3. OLED display shows the direction, 360 degree adjustable, 8 seconds for quick measurement. 4. Auto power off when no signal 5.Low voltage display, pulse signal display 6.Display format: Two-color OLED display Weight: 50g 7.Power requirements: 2*1.5VA alkaline batteries Power consumption: less than 30 meters Ae voltage: DC 3.0V 8.PR measurement range: 30b pm ​​~ 250b pm ​​SpO2 measurement range: 0% ~ 100% ⭐⭐TECHNICAL FEATURES ⭐⭐ 1. Blood Oxygen SpO2 2. Measuring range : 70% - 99% 3. Accuracy: 80%-90% ± 2% / 70%-79% ± 3% 4. Resolution : 1% 2. PR heart rate 5. Measuring range: 30 BPM – 240 BPM 6. Accuracy: ± 1 BPM or 1% ⭐⭐HOW TO STALL AND USE ⭐⭐ 1. Install two AAA batteries into the battery cassette before covering. 2. Insert one finger into the rubber hole of the oximeter (it's best to insert your finger upwards). 3. Press the button on the front panel. 4. Don't shake your finger when the oximeter is working. 5. Press the button on the front panel if we want to change the display direction. 6. Read the relevant numbers from the display screen. 7. If there is no input signal, the oximeter can automatically turn off. 8. Please replace the new battery when the OLED indicates that the battery is low power. Blood oxygen meter Oxygen pulse fingertip oximeter Fingertip oxygen meter