CONTEC Cms50m Pulse Oximeter Blood Oxygen Meter Spo2 PR Heart Rate Monitors

Price:
$8.99
Free 2-4 day shipping
Get it between Thu, May 30 and Sat, Jun 1
Returns:
60 days returns. Buyer pays for return shipping.
Condition:
New
(SpO2 error is ±4%, pulse rate error is ±2 bpm or ±2%, whichever is greater. 2) SpO2 and Pulse Rate display,bar graph display. Safety classification: type BF applied part. Working current: ≤25mA. of man-made light or indoor natural light and that of darkroom is less than ±1%.