KOOGEEK Fingertip Pulse Oximeter Oxygen Saturation Monitor Measuring SpO2 & Pulse Rate Rotatable OLED Display with Lanyard

Features:
Fast, Precise Measurement: it measures blood oxygen saturation, pulse rate accurately, fast shows the measurement on screen.
Easy Operation: just put the finger in the finger chamber which accommodates wide range of finger sizes, one press to start.
Color Screen: rotating color screen, easy to read, clearly displays SpO2 and pulse rate, indicates battery level, very convenient.
Auto-Off: fingertip pulse oximeter, power supply of 2 AAA batteries, low consumption, will auto shut down to save energy.
Versatile Use: small, lightweight oximeter, with lanyard for convenience, can be applied in family, personal care in sports and etc.