Edited April 28, 2021
at 08:30 PM
Pulse Oximeter Fingertip, Blood Oxygen Saturation Monitor for Pulse Rate, Heart Rate Monitor and SpO2 Levels with OLED Screen Display Batteries and Lanyard Included
$5.83 with code VWCYQQAQ...61% off...
Current price on Amazon is $14.95
Note to admin: I'm not the seller or getting sponsor from them. I saw this on Facebook group and would like to share here if anyone interested.