![Amazon.com: FaceLake ® FL400 Pulse Oximeter Fingertip with Carrying Case, Batteries, Lanyard, and Warranty (Blue) : Health & Household Amazon.com: FaceLake ® FL400 Pulse Oximeter Fingertip with Carrying Case, Batteries, Lanyard, and Warranty (Blue) : Health & Household](https://m.media-amazon.com/images/S/aplus-media/sc/47efe103-00d2-4b51-b7b5-28f593f4bf4e.__CR0,0,300,300_PT0_SX300_V1___.png)
Amazon.com: FaceLake ® FL400 Pulse Oximeter Fingertip with Carrying Case, Batteries, Lanyard, and Warranty (Blue) : Health & Household
![Amazon.com: FaceLake ® FL400 Pulse Oximeter with Carrying Case, Batteries, Neck/Wrist Cord - Black : Health & Household Amazon.com: FaceLake ® FL400 Pulse Oximeter with Carrying Case, Batteries, Neck/Wrist Cord - Black : Health & Household](https://m.media-amazon.com/images/I/71C7obDI+VL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: FaceLake ® FL400 Pulse Oximeter with Carrying Case, Batteries, Neck/Wrist Cord - Black : Health & Household
![Amazon.com: Facelake ® FL400P Pulse Oximeter with Carrying Case, Batteries, Neck/Wrist Cord - Pink : Health & Household Amazon.com: Facelake ® FL400P Pulse Oximeter with Carrying Case, Batteries, Neck/Wrist Cord - Pink : Health & Household](https://m.media-amazon.com/images/S/aplus-media/sc/e7b153d8-ace6-4c4b-ad20-3610fc30330a.__CR0,0,634,634_PT0_SX300_V1___.jpg)
Amazon.com: Facelake ® FL400P Pulse Oximeter with Carrying Case, Batteries, Neck/Wrist Cord - Pink : Health & Household
![Amazon.com: FaceLake ® FL400 Pulse Oximeter Fingertip with Carrying Case, Batteries, Lanyard, and Warranty (Blue) : Health & Household Amazon.com: FaceLake ® FL400 Pulse Oximeter Fingertip with Carrying Case, Batteries, Lanyard, and Warranty (Blue) : Health & Household](https://m.media-amazon.com/images/I/714x+dL9mXL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: FaceLake ® FL400 Pulse Oximeter Fingertip with Carrying Case, Batteries, Lanyard, and Warranty (Blue) : Health & Household
![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 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](https://m.media-amazon.com/images/I/41jvepoErLL._AC_UF1000,1000_QL80_.jpg)
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
![Amazon.com: Facelake ® FL400P Pulse Oximeter with Carrying Case, Batteries, Neck/Wrist Cord - Pink : Health & Household Amazon.com: Facelake ® FL400P Pulse Oximeter with Carrying Case, Batteries, Neck/Wrist Cord - Pink : Health & Household](https://m.media-amazon.com/images/I/717518qRvBL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: Facelake ® FL400P Pulse Oximeter with Carrying Case, Batteries, Neck/Wrist Cord - Pink : Health & Household
![Amazon.com: FaceLake ® FL400 Pulse Oximeter Fingertip with Carrying Case, Batteries, Lanyard, and Warranty (Blue) : Health & Household Amazon.com: FaceLake ® FL400 Pulse Oximeter Fingertip with Carrying Case, Batteries, Lanyard, and Warranty (Blue) : Health & Household](https://m.media-amazon.com/images/I/61woFhy05fL._AC_UF350,350_QL80_.jpg)