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Amazon.com: Contec Finger Tip Pulse Oximeter - Blood Oxygen Saturation (SpO2) and Pulse Rate Monitor - Portable LED Display : Health & Household
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Bluetooth Pulse Oximeter Finger Monitor by Wellue,Fingertip Blood Oxygen Saturation Monitor for Sports Home Wellness,Free App for iOS and Android,FS20F Black - Walmart.com
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Finger Pulse Oximeter [BM1000] : ID 4580 : $19.50 : Adafruit Industries, Unique & fun DIY electronics and kits
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Finger Clip Pulse Oximeter | Products | Wein Products Inc. | Portable Filterless Ionic Air Purifiers
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