CONTEC Fingertip Pulse Oximeter Blood Oxygen Saturation Monitor for sleep apnea

1.Description about function Newly upgraded Bluetooth CMS50K OLED Color Wrist Pulse Oximeter. It features smart and advanced technology that allows for real time, continuous monitoring of SpO2 and Pulse rate during sleep and aviation.Record your SpO2 and pulse rate in real time. 24-Hour Data Recording & Analysis.Real time, continuous monitoring of SpO2 and PR during sleep and aviation - Includes advanced software to analyze the data.The data stored can be wireless uploaded to mobile terminal.Includes the finger probe for measuring SPO2 levels.Built-in rechargeable lithium batteries, voltage is 3.7V. This device is designed for sports and aviation use,it is wellness,PGJ product and is not a medical device 2. This is an unique product that performs quite well.It is beatiful and very convenient to use.It is very elegant and is a joy to wear for dress or workout.It can test the spO2 and pulse measurements against medical grade instruments and the watch is surprisingly accurate.So happy with it each day. 3.An amazing, good-quality unit. Beautiful, comfortable and surprisingly accurate oximeter.Love it very much.After downloading APP, you can synchronize your data to your phone.Very convenient to use.I'm very satisfied with its continuous monitoring and 24-Hour Data Recording.Also price is very good.Will come to order again.