![Apple Watch teardown reveals pulse oximeter, suggesting future measurement of blood oxygen - 9to5Mac Apple Watch teardown reveals pulse oximeter, suggesting future measurement of blood oxygen - 9to5Mac](https://9to5mac.com/wp-content/uploads/sites/6/2015/04/pulse-oximeter.jpeg)
Apple Watch teardown reveals pulse oximeter, suggesting future measurement of blood oxygen - 9to5Mac
![Amazon.com: Fingertip Pulse Oximeter Bluetooth Blood Oxygen Saturation Monitor and Pulse Rate Monitor for Apple and Android, with OLED Screen 2 X AAA Batteries and Lanyard : Health & Household Amazon.com: Fingertip Pulse Oximeter Bluetooth Blood Oxygen Saturation Monitor and Pulse Rate Monitor for Apple and Android, with OLED Screen 2 X AAA Batteries and Lanyard : Health & Household](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/61EdZEjSp1L.jpg)
Amazon.com: Fingertip Pulse Oximeter Bluetooth Blood Oxygen Saturation Monitor and Pulse Rate Monitor for Apple and Android, with OLED Screen 2 X AAA Batteries and Lanyard : Health & Household
![Amazon.com: Fingertip Pulse Oximeter Bluetooth Blood Oxygen Saturation Monitor and Pulse Rate Monitor for Apple and Android, with OLED Screen 2 X AAA Batteries and Lanyard : Health & Household Amazon.com: Fingertip Pulse Oximeter Bluetooth Blood Oxygen Saturation Monitor and Pulse Rate Monitor for Apple and Android, with OLED Screen 2 X AAA Batteries and Lanyard : Health & Household](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/61BBqMQaYmL.jpg)