Pulse Oximeter PRCMISEMED Pro Sports and Aviation Finger-Unit Spot Check Oxygen Monitor Finger with Lanyard (OLED,Black) by Amazon.co.uk

• 【Simple one-button operation】The digital pulse oximeter can perform all operations with one button. The operation is simple and convenient, and it can accurately determine your SpO2 (blood oxygen saturation level), pulse frequency and pulse intensity within 10 seconds.

• 【Professional Series】 This is a good tool for athletes, pilots, seniors and adventurers. The large OLED screen makes it easy to read the results, and understanding your measurements will be an important step in reaching your fitness goals.

• 【Oxygen saturation in monitor blood】Your SpO2 level or blood oxygen saturation level can help you better understand how much oxygen is being absorbed by cells in the body. When the level drops too low, immediately use a digital finger pulse oximeter to know.

• 【Easy to read, accurate results】The user only needs to put one finger in the photoelectric sensor of the fingertip, suitable for sports/health enthusiasts-suitable for sports enthusiasts of mountaineering, skiing, cycling, or for measurement Anyone interested in SpO2 and pulse rate.

• 【Low power consumption】 It needs to be equipped with 2AAA batteries (not included in the package). The oximeter will automatically turn off the power after 10 seconds of inactivity and can work continuously for more than 20 hours.