Why Choose EMAY

• Large data storage to record up to 40 hours of blood oxygen and pulse rate data, which makes it the best CONTINUOUS oxygen monitor you can find on the market. Better yet, with its built-in memory, the monitor works independently without requiring a smart phone at its side, freeing you from the confines during sleep.
• Records your blood oxygen and pulse rate EVERY SECOND without interval, unlike other bluetooth oxygen tracker that records at a 10 second or longer intervals which could miss important events.
• RECORD FIRST, UPLOAD LATER It works independently without requiring real-time connection to the app. You may transfer the data later whenever you want.
• ACCURACY & RELIABILITY represent the core value of EMAY. Accurate blood oxygen saturation readings, Over 20 years of experience and focus at manufacturing the device.
• Use the intelligent app to transfer the data easily after recording is finished. Review your historical blood oxygen & PR data second by second. Obtain professional SLEEP REPORT & CSV FILE to further study or share.