Bluetooth Pulse Oximeter Fingertip, OLED Display, Blood Oxygen Saturation Monitor (SpO2) and Pulse Rate, Perfusion Index with Alarm, APP for Smart Tracking, Batteries and Lanyard Included - deal of month Jewelry It can be used to

It can be used to mount the solar panel and hold it at an angle of 45° to the ground for maximum output energy efficiency

high quality vintage jewelry

Please NOTE: The junction box is not waterproof so please keep it dry

Charging Voltage: DC5V

Bluetooth Pulse Oximeter Fingertip, OLED Display, Blood Oxygen Saturation Monitor (SpO2) and Pulse Rate, Perfusion Index with Alarm, APP for Smart Tracking, Batteries and Lanyard Included - deal of month Jewelry It can be used toBluetooth Pulse Oximeter Fingertip, OLED Display, Blood Oxygen Saturation Monitor (SpO2) and Pulse Rate, Perfusion Index with Alarm, APP for Smart Tracking, Batteries and Lanyard Included About this item ACCURATE AND RELIABLE: Accurately measure your blood oxygen saturation SpO2, pulse rate, perfusion index, pulse waveform and easily display them on the OLED screen. ABNORMAL READING ALARM: If your blood oxygen is lower or your pulse rate is lower