EMAY SleepO2 Wrist Pulse Oximeter with Silicone SpO2 Sensor | Bluetooth Sleep Oxygen Monitor Rechargeable for Continuous Blood Oxygen and Heart Rate

Most lightweight wrist sleep oxygen monitor in the market, it weighs only 20 gram that one can sleep without any hard feelings.
Patented silicone soft probe to wear comfortably with good breathability, never slip off your finger.
Stand-alone sleep oxygen monitor with 48 hours built-in memory that you don’t need a smartphone to make it work. Just wear it to sleep, and take it off to sync after you wake up in the morning. (No real-time display)
Powerful and intelligent app allows you to review oxygen data second by second, export the data as CSV file, generate a professional report with crucial information such as oxygen trend over time, ODI data to share with your physician
Rechargeable lithium battery, 12 hours' battery life

	SleepO2	EMO-90	EMO-80	SleepO2 Pro
Wearing Type	Wrist	Fingertip	Fingertip	Wrist
Extended O2 Probe	✓	✘	✘	✓
Flow Tube	✘	✘	✘	✓
ODI 4%	✓	✓	✓	✓
AHI	✘	✘	✘	✓
iOS/Android App	✓	✓	✓	✘
PC Software (Windows)	✘	✓	✘	✓
Summary Report (PDF)	✓	✓	✓	✓
Alarm	✘	✓	✘	✓
Rechargeable	✓	✓	✘	✓