Sell Quick resultsHK Household LED Digital Fingertip Pulse Oximeters Blood Oxygen Saturation Heart Rate H best price

100% Effective, Accurate, reliable and fast reading proved by clinical testing and consistent results. On large digital TFT displays, oxygen saturation results can be received in 8 to 10 seconds. Blood oxygen saturation degree, pulse counting | simple bar chart shows you the blood oxygen saturation and pulse strength results. Sports enthusiasts | applies only to movement and aviation applications.The device is ideal for high-endurance sports such as mountaineering, running, cycling, etc. Portable and easy to use | light weight, compact, easy to operate and carry, at home or in the open can get results. Suitable for all ages | intelligent design can accommodate a variety of finger size, use finger chamber, excluding emulsion of silicone materials. Note: uniquely designs the battery installation direction.Please install it according to one positive pole and one negative pole when using it.