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CHOICEMMed Finger Pulse Oximeter, Blood Oxygen Saturation Monitor, Fingertip O2 Sensor with LED Display, Pulse Rate Reader, Portable SpO2 Monitor with Batteries, Carry Case & Lanyard, Blue Black Create your DIY gifts B0FQMZNZTX Create your DIY gifts If you like to make polymer clay earrings in various designs or want to try it key chains and 2 AAA batteries so you can start using it immediately CHOICEMMed Finger Pulse Oximeter
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