Fingertip Pulse Oximeter Blood Oxygen Saturation & Heart Rate Monitor with Lanyard 2-way Display Digital SpO2 Monitor Detection Mini Pulse Oximeter 5s Auto-off

Features:
Accurate oximeter determines your blood oxygen saturation levels and pulse rate.
2-way rotating display, convenient for user and caregiver to check throught one press power button.
Automatically shut off in 5 seconds if there is no operation, energy saving.
Built-in silicone membrane, non-slip, sweatproof and comfortable.
LED screen with large digit simple to read, even child and elder can use it with ease.
Comes with lanyard for easy carry and can be hung anywhere you need.