Bluetooth Finger Pulse Oximeter Portable Fingertip Pulse Oximetry Finger Clip SPO2 PR Small OLED Display Blood Oxygen

Features:
High quality and brand new.
Compact design, lightweight for convenient to carry.
Low voltage indicator and 2 colors OLED display.
Automatically power off in 8 seconds when there is no signal.
Can be used in hospital, home, community medical treatment, sports healthcare, etc.