M230 Finger Pulse Oximeter Portable Pulse Oximeter Digital Display Fingertip Oxygen Pulse Sensor the Fancier RTA has the

the Fancier RTA has the fewer dry problem and easier refill than before

): No Night Video LEDs: Night Vision Lights Videoplayer Software: MEDIA-PLAYER Battery Capacity: 300MA Charge Port: 5V 1

fashion and useful

Frequency response: 20-20000Hz

Portable and Easy to Use

M230 Finger Pulse Oximeter Portable Pulse Oximeter Digital Display Fingertip Oxygen Pulse Sensor the Fancier RTA has theProduct Features: Large color OLED display, rotatable multi directional display. 4 directions, allow you to view your results in any direction. Four modes display Oxygen saturation values display, pulse rate value display, bar chart display, pulse waveform display Accurately measure your bloods SpO2 oxygen saturation arterial hemoglobin levels, pulse rate and pulse strength in 10 seconds or less displayed on LED display. Easily operated with its