* 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