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Amazon.com: FaceLake ® FL400 Pulse Oximeter Fingertip with Carrying Case, Batteries, Lanyard, and Warranty (Blue) : Health & Household
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Amazon.com: FaceLake ® FL400 Pulse Oximeter Fingertip with Carrying Case, Batteries, Lanyard, and Warranty (Blue) : Health & Household
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Amazon.com: Facelake FL330 Wearable Blood Oxygen Band with Ring Sensor & Free O2 Records, Smart Fitness Tracker & Heart Rate Monitor (Free APP and PC Software) : Electronics
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