Verdict overview
- worth the money 9.4
- Precision 9.4
- Simple to use 9.3
- Battery Duration 8.9
- Mobile App 9.3
- clearly written 9.9
Pros
Records data continuously for 40 hours.
Ideal for sleep and aviation use.
Responsive and helpful customer service.
Cons
Low accuracy readings.
Tech specs
batteries | 2 AAA batteries required. included |
package dimensions | 6.14 x 4.09 x 1.97 inches 1.6 ounces |

Product Overview
As a professional reviewer of health and fitness products, I have had the opportunity to review many products. Recently, I had the chance to review the EMAY Sleep Oxygen Monitor. This product stands out in its category for its combination of features, accuracy and reliability, and value for money.
The EMAY Sleep Oxygen Monitor is designed to monitor your blood oxygen saturation levels and heart rate during sleep or other activities. It features a built in memory that can store up to 40 hours of data without needing real time connection to a smartphone. The device also comes with a free iOS/Android app which allows you to review granular data second by second, as well as generate sleep reports with detailed analysis trends of your overnight blood oxygen and heart rate. You can also export CSV files of data lists for further analysis or sharing.
In terms of accuracy and reliability, the EMAY Sleep Oxygen Monitor is very accurate in displaying readings on a large rotating digital LCD screen and stores your data second by second without intervals simultaneously. The device also has an impressive battery life of 40 hours with two AAA batteries included.

The EMAY Sleep Oxygen Monitor is designed for unisex adult use only, not medical use. It is easy to set up and use, making it ideal for health conscious individuals who want to keep track of their health on a regular basis. The devices mobile app makes it easy to review historical data as well as generate sleep reports with detailed analysis trends of your overnight blood oxygen and heart rate. Plus, the devices affordable price makes it an attractive option for those on a budget who want access to this kind of technology.
Overall, the EMAY Sleep Oxygen Monitor is an excellent product that offers great value for money. It is reliable and accurate in displaying readings on a large rotating digital LCD screen while also providing long battery life with two AAA batteries included. Plus, its free iOS/Android app allows you to review historical granular data second by second as well as generate sleep reports with detailed analysis trends of your overnight blood oxygen and heart rate. Highly recommended!
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