Blood Oxygen Monitor

2-way rotating display, convenient for user and caregiver to check through one press power button.
Automatically shut off in seconds if there is no operation, energy saving.
Built-in silicone membrane, non-slip, sweatproof and comfortable. OLED screen with large color digit simple to read, even child and elder can use it easily.
Comes with lanyard for easy carrying and can be hung anywhere you like.
It comes with 30-days money back guarantee and 1 year after-sale support, all you need to do is to contact our customer support. We will respond within 12 hours normally.